arch/x86/kvm/emulate.c in the KVM subsystem in the Linux kernel through 3.17.2 does not properly perform RIP changes, which allows guest OS users to cause a denial of service (guest OS crash) via a crafted application.

According to the versions of the kernel packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities :

  - Array index error in the tcm_vhost_make_tpg function in     drivers/vhost/scsi.c in the Linux kernel before 4.0     might allow guest OS users to cause a denial of service     (memory corruption) or possibly have unspecified other     impact via a crafted VHOST_SCSI_SET_ENDPOINT ioctl     call. NOTE: the affected function was renamed to     vhost_scsi_make_tpg before the vulnerability was     announced.(CVE-2015-4036i1/4%0

  - The llc_cmsg_rcv function in net/llc/af_llc.c in the     Linux kernel before 4.5.5 does not initialize a certain     data structure, which allows attackers to obtain     sensitive information from kernel stack memory by     reading a message.(CVE-2016-4485i1/4%0

  - The nr_recvmsg function in net/netrom/af_netrom.c in     the Linux kernel before 3.12.4 updates a certain length     value without ensuring that an associated data     structure has been initialized, which allows local     users to obtain sensitive information from kernel     memory via a (1) recvfrom, (2) recvmmsg, or (3) recvmsg     system call.(CVE-2013-7269i1/4%0

  - The mct_u232_msr_to_state function in     drivers/usb/serial/mct_u232.c in the Linux kernel     before 4.5.1 allows physically proximate attackers to     cause a denial of service (NULL pointer dereference and     system crash) via a crafted USB device without two     interrupt-in endpoint descriptors.(CVE-2016-3136i1/4%0

  - An out-of-bounds memory access flaw, CVE-2014-7825, was     found in the syscall tracing functionality of the Linux     kernel's perf subsystem. A local, unprivileged user     could use this flaw to crash the system. Additionally,     an out-of-bounds memory access flaw, CVE-2014-7826, was     found in the syscall tracing functionality of the Linux     kernel's ftrace subsystem. On a system with ftrace     syscall tracing enabled, a local, unprivileged user     could use this flaw to crash the system, or escalate     their privileges.(CVE-2014-7826i1/4%0

  - Linux kernel built with the Kernel-based Virtual     Machine (CONFIG_KVM) support is vulnerable to a null     pointer dereference flaw. It could occur on x86     platform, when emulating an undefined instruction. An     attacker could use this flaw to crash the host kernel     resulting in DoS.(CVE-2016-8630i1/4%0

  - A flaw was found in the Linux kernel's ext4 filesystem.
    A local user can cause an out-of-bound access in     ext4_get_group_info function, a denial of service, and     a system crash by mounting and operating on a crafted     ext4 filesystem image.(CVE-2018-10881i1/4%0

  - The arch_timer_reg_read_stable macro in     arch/arm64/include/asm/arch_timer.h in the Linux kernel     before 4.13 allows local users to cause a denial of     service (infinite recursion) by writing to a file under     /sys/kernel/debug in certain circumstances, as     demonstrated by a scenario involving debugfs, ftrace,     PREEMPT_TRACER, and     FUNCTION_GRAPH_TRACER.(CVE-2017-18261i1/4%0

  - The ip6_route_add function in net/ipv6/route.c in the     Linux kernel through 3.13.6 does not properly count the     addition of routes, which allows remote attackers to     cause a denial of service (memory consumption) via a     flood of ICMPv6 Router Advertisement     packets.(CVE-2014-2309i1/4%0

  - In the Linux kernel before 4.20.2, kernel/sched/fair.c     mishandles leaf cfs_rq's, which allows attackers to     cause a denial of service (infinite loop in     update_blocked_averages) or possibly have unspecified     other impact by inducing a high load.(CVE-2018-20784i1/4%0

  - An issue was discovered in the F2FS filesystem code in     fs/f2fs/inline.c in the Linux kernel. A denial of     service due to the out-of-bounds memory access can     occur for a modified f2fs filesystem     image.(CVE-2018-13099i1/4%0

  - An out-of-bounds write vulnerability was found in the     Linux kernel's vmw_surface_define_ioctl() function, in     the 'drivers/gpu/drm/vmwgfx/vmwgfx_surface.c' file. Due     to the nature of the flaw, privilege escalation cannot     be fully ruled out, although we believe it is     unlikely.(CVE-2017-7294i1/4%0

  - A flaw was found in the way the Linux kernel's KVM     subsystem handled non-canonical addresses when     emulating instructions that change the RIP (for     example, branches or calls). A guest user with access     to an I/O or MMIO region could use this flaw to crash     the guest.(CVE-2014-3647i1/4%0

  - The __munlock_pagevec function in mm/mlock.c in the     Linux kernel, before 4.11.4, allows local users to     cause a denial of service (NR_MLOCK accounting     corruption) via crafted use of mlockall and munlockall     system calls.(CVE-2017-18221i1/4%0

  - ** RESERVED ** This candidate has been reserved by an     organization or individual that will use it when     announcing a new security problem. When the candidate     has been publicized, the details for this candidate     will be provided.(CVE-2018-1120i1/4%0

  - The proc_connectinfo() function in     'drivers/usb/core/devio.c' in the Linux kernel through     4.6 does not initialize a certain data structure, which     allows local users to obtain sensitive information from     kernel stack memory via a crafted USBDEVFS_CONNECTINFO     ioctl call. The stack object 'ci' has a total size of 8     bytes. Its last 3 bytes are padding bytes which are not     initialized and are leaked to     userland.(CVE-2016-4482i1/4%0

  - A vulnerability was found in the Linux kernel. An     unprivileged local user could trigger oops in     shash_async_export() by attempting to force the     in-kernel hashing algorithms into decrypting an empty     data set.(CVE-2016-8646i1/4%0

  - An issue was discovered in the btrfs filesystem code in     the Linux kernel. An invalid NULL pointer dereference     in btrfs_root_node() when mounting a crafted btrfs     image is due to a lack of chunk block group mapping     validation in btrfs_read_block_groups() in the     fs/btrfs/extent-tree.c function and a lack of     empty-tree checks in check_leaf() in     fs/btrfs/tree-checker.c function. This could lead to a     system crash and a denial of service.(CVE-2018-14612i1/4%0

  - It was found that the Linux kernel's TCP/IP protocol     suite implementation for IPv6 allowed the Hop Limit     value to be set to a smaller value than the default     one. An attacker on a local network could use this flaw     to prevent systems on that network from sending or     receiving network packets.(CVE-2015-2922i1/4%0

  - A NULL-pointer dereference flaw was found in the     kernel, which is caused by a race between revoking a     user-type key and reading from it. The issue could be     triggered by an unprivileged user with a local account,     causing the kernel to crash (denial of     service).(CVE-2015-7550i1/4%0

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the kernel packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - A flaw was found in the way the Linux kernel's futex     subsystem handled the requeuing of certain Priority     Inheritance (PI) futexes. A local, unprivileged user     could use this flaw to escalate their privileges on the     system.(CVE-2014-3153)

  - An out-of-bounds write flaw was found in the way the     Apple Magic Mouse/Trackpad multi-touch driver handled     Human Interface Device (HID) reports with an invalid     size. An attacker with physical access to the system     could use this flaw to crash the system or,     potentially, escalate their privileges on the     system.(CVE-2014-3181)

  - An out-of-bounds read flaw was found in the way the     Logitech Unifying receiver driver handled HID reports     with an invalid device_index value. An attacker with     physical access to the system could use this flaw to     crash the system or, potentially, escalate their     privileges on the system.(CVE-2014-3182)

  - Multiple out-of-bounds write flaws were found in the     way the Cherry Cymotion keyboard driver, KYE/Genius     device drivers, Logitech device drivers, Monterey     Genius KB29E keyboard driver, Petalynx Maxter remote     control driver, and Sunplus wireless desktop driver     handled HID reports with an invalid report descriptor     size. An attacker with physical access to the system     could use either of these flaws to write data past an     allocated memory buffer.(CVE-2014-3184)

  - A memory corruption flaw was found in the way the USB     ConnectTech WhiteHEAT serial driver processed     completion commands sent via USB Request Blocks     buffers. An attacker with physical access to the system     could use this flaw to crash the system or,     potentially, escalate their privileges on the     system.(CVE-2014-3185)

  - It was found that Linux kernel's ptrace subsystem did     not properly sanitize the address-space-control bits     when the program-status word (PSW) was being set. On     IBM S/390 systems, a local, unprivileged user could use     this flaw to set address-space-control bits to the     kernel space, and thus gain read and write access to     kernel memory.(CVE-2014-3534)

  - A flaw was found in the way the Linux kernel's     kvm_iommu_map_pages() function handled IOMMU mapping     failures. A privileged user in a guest with an assigned     host device could use this flaw to crash the     host.(CVE-2014-3601)

  - It was found that KVM's Write to Model Specific     Register (WRMSR) instruction emulation would write     non-canonical values passed in by the guest to certain     MSRs in the host's context. A privileged guest user     could use this flaw to crash the host.(CVE-2014-3610)

  - A race condition flaw was found in the way the Linux     kernel's KVM subsystem handled PIT (Programmable     Interval Timer) emulation. A guest user who has access     to the PIT I/O ports could use this flaw to crash the     host.(CVE-2014-3611)

  - A flaw was found in the way the Linux kernel's keys     subsystem handled the termination condition in the     associative array garbage collection functionality. A     local, unprivileged user could use this flaw to crash     the system.(CVE-2014-3631)

  - It was found that the Linux kernel's KVM subsystem did     not handle the VM exits gracefully for the invept     (Invalidate Translations Derived from EPT)     instructions. On hosts with an Intel processor and     invept VM exit support, an unprivileged guest user     could use these instructions to crash the     guest.(CVE-2014-3645)

  - It was found that the Linux kernel's KVM subsystem did     not handle the VM exits gracefully for the invvpid     (Invalidate Translations Based on VPID) instructions.
    On hosts with an Intel processor and invppid VM exit     support, an unprivileged guest user could use these     instructions to crash the guest.(CVE-2014-3646)

  - A flaw was found in the way the Linux kernel's KVM     subsystem handled non-canonical addresses when     emulating instructions that change the RIP (for     example, branches or calls). A guest user with access     to an I/O or MMIO region could use this flaw to crash     the guest.(CVE-2014-3647)

  - A flaw was found in the way the Linux kernel's Stream     Control Transmission Protocol (SCTP) implementation     handled malformed Address Configuration Change Chunks     (ASCONF). A remote attacker could use either of these     flaws to crash the system.(CVE-2014-3673)

  - A flaw was found in the way the Linux kernel's Stream     Control Transmission Protocol (SCTP) implementation     handled duplicate Address Configuration Change Chunks     (ASCONF). A remote attacker could use either of these     flaws to crash the system.(CVE-2014-3687)

  - A flaw was found in the way the Linux kernel's Stream     Control Transmission Protocol (SCTP) implementation     handled the association's output queue. A remote     attacker could send specially crafted packets that     would cause the system to use an excessive amount of     memory, leading to a denial of service.(CVE-2014-3688)

  - It was found that the Linux kernel's KVM implementation     did not ensure that the host CR4 control register value     remained unchanged across VM entries on the same     virtual CPU. A local, unprivileged user could use this     flaw to cause a denial of service on the     system.(CVE-2014-3690)

  - An out-of-bounds memory access flaw was found in the     Linux kernel's system call auditing implementation. On     a system with existing audit rules defined, a local,     unprivileged user could use this flaw to leak kernel     memory to user space or, potentially, crash the     system.(CVE-2014-3917)

  - A flaw was found in the way Linux kernel's Transparent     Huge Pages (THP) implementation handled non-huge page     migration. A local, unprivileged user could use this     flaw to crash the kernel by migrating transparent     hugepages.(CVE-2014-3940)

  - The capabilities implementation in the Linux kernel     before 3.14.8 does not properly consider that     namespaces are inapplicable to inodes, which allows     local users to bypass intended chmod restrictions by     first creating a user namespace, as demonstrated by     setting the setgid bit on a file with group ownership     of root.(CVE-2014-4014)

  - An information leak flaw was found in the RAM Disks     Memory Copy (rd_mcp) backend driver of the iSCSI Target     subsystem of the Linux kernel. A privileged user could     use this flaw to leak the contents of kernel memory to     an iSCSI initiator remote client.(CVE-2014-4027)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

arch/x86/kvm/emulate.c in the KVM subsystem in the Linux kernel through 3.17.2 does not properly perform RIP changes, which allows guest OS users to cause a denial of service (guest OS crash) via a crafted application.(CVE-2014-3647)

* A flaw was found in the way the Linux kernel's file system implementation handled rename operations in which the source was inside and the destination was outside of a bind mount. A privileged user inside a container could use this flaw to escape the bind mount and, potentially, escalate their privileges on the system.
(CVE-2015-2925, Important)

* A race condition flaw was found in the way the Linux kernel's IPC subsystem initialized certain fields in an IPC object structure that were later used for permission checking before inserting the object into a globally visible list. A local, unprivileged user could potentially use this flaw to elevate their privileges on the system.
(CVE-2015-7613, Important)

* It was found that reporting emulation failures to user space could lead to either a local (CVE-2014-7842) or a L2->L1 (CVE-2010-5313) denial of service. In the case of a local denial of service, an attacker must have access to the MMIO area or be able to access an I/O port. (CVE-2010-5313, CVE-2014-7842, Moderate)

* A flaw was found in the way the Linux kernel's KVM subsystem handled non-canonical addresses when emulating instructions that change the RIP (for example, branches or calls). A guest user with access to an I/O or MMIO region could use this flaw to crash the guest.
(CVE-2014-3647, Moderate)

* It was found that the Linux kernel memory resource controller's (memcg) handling of OOM (out of memory) conditions could lead to deadlocks. An attacker could use this flaw to lock up the system.
(CVE-2014-8171, Moderate)

* A race condition flaw was found between the chown and execve system calls. A local, unprivileged user could potentially use this flaw to escalate their privileges on the system. (CVE-2015-3339, Moderate)

* A flaw was discovered in the way the Linux kernel's TTY subsystem handled the tty shutdown phase. A local, unprivileged user could use this flaw to cause a denial of service on the system. (CVE-2015-4170, Moderate)

* A NULL pointer dereference flaw was found in the SCTP implementation. A local user could use this flaw to cause a denial of service on the system by triggering a kernel panic when creating multiple sockets in parallel while the system did not have the SCTP module loaded. (CVE-2015-5283, Moderate)

* A flaw was found in the way the Linux kernel's perf subsystem retrieved userlevel stack traces on PowerPC systems. A local, unprivileged user could use this flaw to cause a denial of service on the system. (CVE-2015-6526, Moderate)

* A flaw was found in the way the Linux kernel's Crypto subsystem handled automatic loading of kernel modules. A local user could use this flaw to load any installed kernel module, and thus increase the attack surface of the running kernel. (CVE-2013-7421, CVE-2014-9644, Low)

* An information leak flaw was found in the way the Linux kernel changed certain segment registers and thread-local storage (TLS) during a context switch. A local, unprivileged user could use this flaw to leak the user space TLS base address of an arbitrary process.
(CVE-2014-9419, Low)

* It was found that the Linux kernel KVM subsystem's sysenter instruction emulation was not sufficient. An unprivileged guest user could use this flaw to escalate their privileges by tricking the hypervisor to emulate a SYSENTER instruction in 16-bit mode, if the guest OS did not initialize the SYSENTER model-specific registers (MSRs). Note: Certified guest operating systems for Scientific Linux with KVM do initialize the SYSENTER MSRs and are thus not vulnerable to this issue when running on a KVM hypervisor. (CVE-2015-0239, Low)

* A flaw was found in the way the Linux kernel handled the securelevel functionality after performing a kexec operation. A local attacker could use this flaw to bypass the security mechanism of the securelevel/secureboot combination. (CVE-2015-7837, Low)

Updated kernel packages that fix multiple security issues, address several hundred bugs, and add numerous enhancements are now available as part of the ongoing support and maintenance of Red Hat Enterprise Linux version 7. This is the second regular update.

Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

* A flaw was found in the way the Linux kernel's file system implementation handled rename operations in which the source was inside and the destination was outside of a bind mount. A privileged user inside a container could use this flaw to escape the bind mount and, potentially, escalate their privileges on the system.
(CVE-2015-2925, Important)

* A race condition flaw was found in the way the Linux kernel's IPC subsystem initialized certain fields in an IPC object structure that were later used for permission checking before inserting the object into a globally visible list. A local, unprivileged user could potentially use this flaw to elevate their privileges on the system.
(CVE-2015-7613, Important)

* It was found that reporting emulation failures to user space could lead to either a local (CVE-2014-7842) or a L2->L1 (CVE-2010-5313) denial of service. In the case of a local denial of service, an attacker must have access to the MMIO area or be able to access an I/O port. (CVE-2010-5313, CVE-2014-7842, Moderate)

* A flaw was found in the way the Linux kernel's KVM subsystem handled non-canonical addresses when emulating instructions that change the RIP (for example, branches or calls). A guest user with access to an I/O or MMIO region could use this flaw to crash the guest.
(CVE-2014-3647, Moderate)

* It was found that the Linux kernel memory resource controller's (memcg) handling of OOM (out of memory) conditions could lead to deadlocks. An attacker could use this flaw to lock up the system.
(CVE-2014-8171, Moderate)

* A race condition flaw was found between the chown and execve system calls. A local, unprivileged user could potentially use this flaw to escalate their privileges on the system. (CVE-2015-3339, Moderate)

* A flaw was discovered in the way the Linux kernel's TTY subsystem handled the tty shutdown phase. A local, unprivileged user could use this flaw to cause a denial of service on the system. (CVE-2015-4170, Moderate)

* A NULL pointer dereference flaw was found in the SCTP implementation. A local user could use this flaw to cause a denial of service on the system by triggering a kernel panic when creating multiple sockets in parallel while the system did not have the SCTP module loaded. (CVE-2015-5283, Moderate)

* A flaw was found in the way the Linux kernel's perf subsystem retrieved userlevel stack traces on PowerPC systems. A local, unprivileged user could use this flaw to cause a denial of service on the system. (CVE-2015-6526, Moderate)

* A flaw was found in the way the Linux kernel's Crypto subsystem handled automatic loading of kernel modules. A local user could use this flaw to load any installed kernel module, and thus increase the attack surface of the running kernel. (CVE-2013-7421, CVE-2014-9644, Low)

* An information leak flaw was found in the way the Linux kernel changed certain segment registers and thread-local storage (TLS) during a context switch. A local, unprivileged user could use this flaw to leak the user space TLS base address of an arbitrary process.
(CVE-2014-9419, Low)

* It was found that the Linux kernel KVM subsystem's sysenter instruction emulation was not sufficient. An unprivileged guest user could use this flaw to escalate their privileges by tricking the hypervisor to emulate a SYSENTER instruction in 16-bit mode, if the guest OS did not initialize the SYSENTER model-specific registers (MSRs). Note: Certified guest operating systems for Red Hat Enterprise Linux with KVM do initialize the SYSENTER MSRs and are thus not vulnerable to this issue when running on a KVM hypervisor.
(CVE-2015-0239, Low)

* A flaw was found in the way the Linux kernel handled the securelevel functionality after performing a kexec operation. A local attacker could use this flaw to bypass the security mechanism of the securelevel/secureboot combination. (CVE-2015-7837, Low)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2015-2152 advisory.

  - The Crypto API in the Linux kernel before 3.18.5 allows local users to load arbitrary kernel modules via a     bind system call for an AF_ALG socket with a module name in the salg_name field, a different vulnerability     than CVE-2014-9644. (CVE-2013-7421)

  - The Crypto API in the Linux kernel before 3.18.5 allows local users to load arbitrary kernel modules via a     bind system call for an AF_ALG socket with a parenthesized module template expression in the salg_name     field, as demonstrated by the vfat(aes) expression, a different vulnerability than CVE-2013-7421.
    (CVE-2014-9644)

  - The memory resource controller (aka memcg) in the Linux kernel allows local users to cause a denial of     service (deadlock) by spawning new processes within a memory-constrained cgroup. (CVE-2014-8171)

  - The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel through 3.18.1 does not     ensure that Thread Local Storage (TLS) descriptors are loaded before proceeding with other steps, which     makes it easier for local users to bypass the ASLR protection mechanism via a crafted application that     reads a TLS base address. (CVE-2014-9419)

  - The em_sysenter function in arch/x86/kvm/emulate.c in the Linux kernel before 3.18.5, when the guest OS     lacks SYSENTER MSR initialization, allows guest OS users to gain guest OS privileges or cause a denial of     service (guest OS crash) by triggering use of a 16-bit code segment for emulation of a SYSENTER     instruction. (CVE-2015-0239)

  - Race condition in the prepare_binprm function in fs/exec.c in the Linux kernel before 3.19.6 allows local     users to gain privileges by executing a setuid program at a time instant when a chown to root is in     progress, and the ownership is changed but the setuid bit is not yet stripped. (CVE-2015-3339)

  - Race condition in arch/x86/kvm/x86.c in the Linux kernel before 2.6.38 allows L2 guest OS users to cause a     denial of service (L1 guest OS crash) via a crafted instruction that triggers an L2 emulation failure     report, a similar issue to CVE-2014-7842. (CVE-2010-5313)

  - arch/x86/kvm/emulate.c in the KVM subsystem in the Linux kernel through 3.17.2 does not properly perform     RIP changes, which allows guest OS users to cause a denial of service (guest OS crash) via a crafted     application. (CVE-2014-3647)

  - Race condition in arch/x86/kvm/x86.c in the Linux kernel before 3.17.4 allows guest OS users to cause a     denial of service (guest OS crash) via a crafted application that performs an MMIO transaction or a PIO     transaction to trigger a guest userspace emulation error report, a similar issue to CVE-2010-5313.
    (CVE-2014-7842)

  - The prepend_path function in fs/dcache.c in the Linux kernel before 4.2.4 does not properly handle rename     actions inside a bind mount, which allows local users to bypass an intended container protection mechanism     by renaming a directory, related to a double-chroot attack. (CVE-2015-2925)

  - Race condition in the ldsem_cmpxchg function in drivers/tty/tty_ldsem.c in the Linux kernel before     3.13-rc4-next-20131218 allows local users to cause a denial of service (ldsem_down_read and     ldsem_down_write deadlock) by establishing a new tty thread during shutdown of a previous tty thread.
    (CVE-2015-4170)

  - The sctp_init function in net/sctp/protocol.c in the Linux kernel before 4.2.3 has an incorrect sequence     of protocol-initialization steps, which allows local users to cause a denial of service (panic or memory     corruption) by creating SCTP sockets before all of the steps have finished. (CVE-2015-5283)

  - The perf_callchain_user_64 function in arch/powerpc/perf/callchain.c in the Linux kernel before 4.0.2 on     ppc64 platforms allows local users to cause a denial of service (infinite loop) via a deep 64-bit     userspace backtrace. (CVE-2015-6526)

  - Race condition in the IPC object implementation in the Linux kernel through 4.2.3 allows local users to     gain privileges by triggering an ipc_addid call that leads to uid and gid comparisons against     uninitialized data, related to msg.c, shm.c, and util.c. (CVE-2015-7613)

  - The Linux kernel, as used in Red Hat Enterprise Linux 7, kernel-rt, and Enterprise MRG 2 and when booted     with UEFI Secure Boot enabled, allows local users to bypass intended securelevel/secureboot restrictions     by leveraging improper handling of secure_boot flag across kexec reboot. (CVE-2015-7837)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The SUSE Linux Enterprise 12 kernel was updated to version 3.12.43 to receive various security and bugfixes.

Following security bugs were fixed :

  - CVE-2014-3647: arch/x86/kvm/emulate.c in the KVM     subsystem in the Linux kernel through 3.17.2 did not     properly perform RIP changes, which allowed guest OS     users to cause a denial of service (guest OS crash) via     a crafted application (bsc#899192).

  - CVE-2014-8086: Race condition in the     ext4_file_write_iter function in fs/ext4/file.c in the     Linux kernel through 3.17 allowed local users to cause a     denial of service (file unavailability) via a     combination of a write action and an F_SETFL fcntl     operation for the O_DIRECT flag (bsc#900881).

  - CVE-2014-8159: The InfiniBand (IB) implementation did     not properly restrict use of User Verbs for registration     of memory regions, which allowed local users to access     arbitrary physical memory locations, and consequently     cause a denial of service (system crash) or gain     privileges, by leveraging permissions on a uverbs device     under /dev/infiniband/ (bsc#914742).

  - CVE-2015-1465: The IPv4 implementation in the Linux     kernel before 3.18.8 did not properly consider the     length of the Read-Copy Update (RCU) grace period for     redirecting lookups in the absence of caching, which     allowed remote attackers to cause a denial of service     (memory consumption or system crash) via a flood of     packets (bsc#916225).

  - CVE-2015-2041: net/llc/sysctl_net_llc.c in the Linux     kernel before 3.19 used an incorrect data type in a     sysctl table, which allowed local users to obtain     potentially sensitive information from kernel memory or     possibly have unspecified other impact by accessing a     sysctl entry (bsc#919007).

  - CVE-2015-2042: net/rds/sysctl.c in the Linux kernel     before 3.19 used an incorrect data type in a sysctl     table, which allowed local users to obtain potentially     sensitive information from kernel memory or possibly     have unspecified other impact by accessing a sysctl     entry (bsc#919018).

  - CVE-2015-2666: Fixed a flaw that allowed crafted     microcode to overflow the kernel stack (bsc#922944).

  - CVE-2015-2830: Fixed int80 fork from 64-bit tasks     mishandling (bsc#926240).

  - CVE-2015-2922: Fixed possible denial of service (DoS)     attack against IPv6 network stacks due to improper     handling of Router Advertisements (bsc#922583).

  - CVE-2015-3331: Fixed buffer overruns in RFC4106     implementation using AESNI (bsc#927257).

  - CVE-2015-3332: Fixed TCP Fast Open local DoS     (bsc#928135).

  - CVE-2015-3339: Fixed race condition flaw between the     chown() and execve() system calls which could have lead     to local privilege escalation (bsc#928130).

  - CVE-2015-3636: Fixed use-after-free in ping sockets     which could have lead to local privilege escalation     (bsc#929525).

The update package also includes non-security fixes. See advisory for details.

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The SUSE Linux Enterprise 11 Service Pack 2 LTSS kernel has been updated to fix security issues on kernels on the x86_64 architecture.

The following security bugs have been fixed :

  - CVE-2012-4398: The __request_module function in     kernel/kmod.c in the Linux kernel before 3.4 did not set     a certain killable attribute, which allowed local users     to cause a denial of service (memory consumption) via a     crafted application (bnc#779488).

  - CVE-2013-2893: The Human Interface Device (HID)     subsystem in the Linux kernel through 3.11, when     CONFIG_LOGITECH_FF, CONFIG_LOGIG940_FF, or     CONFIG_LOGIWHEELS_FF is enabled, allowed physically     proximate attackers to cause a denial of service     (heap-based out-of-bounds write) via a crafted device,     related to (1) drivers/hid/hid-lgff.c, (2)     drivers/hid/hid-lg3ff.c, and (3) drivers/hid/hid-lg4ff.c     (bnc#835839).

  - CVE-2013-2897: Multiple array index errors in     drivers/hid/hid-multitouch.c in the Human Interface     Device (HID) subsystem in the Linux kernel through 3.11,     when CONFIG_HID_MULTITOUCH is enabled, allowed     physically proximate attackers to cause a denial of     service (heap memory corruption, or NULL pointer     dereference and OOPS) via a crafted device (bnc#835839).

  - CVE-2013-2899: drivers/hid/hid-picolcd_core.c in the     Human Interface Device (HID) subsystem in the Linux     kernel through 3.11, when CONFIG_HID_PICOLCD is enabled,     allowed physically proximate attackers to cause a denial     of service (NULL pointer dereference and OOPS) via a     crafted device (bnc#835839).

  - CVE-2013-2929: The Linux kernel before 3.12.2 did not     properly use the get_dumpable function, which allowed     local users to bypass intended ptrace restrictions or     obtain sensitive information from IA64 scratch registers     via a crafted application, related to kernel/ptrace.c     and arch/ia64/include/asm/processor.h (bnc#847652).

  - CVE-2013-7263: The Linux kernel before 3.12.4 updates     certain length values before ensuring that associated     data structures have been initialized, which allowed     local users to obtain sensitive information from kernel     stack memory via a (1) recvfrom, (2) recvmmsg, or (3)     recvmsg system call, related to net/ipv4/ping.c,     net/ipv4/raw.c, net/ipv4/udp.c, net/ipv6/raw.c, and     net/ipv6/udp.c (bnc#857643).

  - CVE-2014-0131: Use-after-free vulnerability in the     skb_segment function in net/core/skbuff.c in the Linux     kernel through 3.13.6 allowed attackers to obtain     sensitive information from kernel memory by leveraging     the absence of a certain orphaning operation     (bnc#867723).

  - CVE-2014-0181: The Netlink implementation in the Linux     kernel through 3.14.1 did not provide a mechanism for     authorizing socket operations based on the opener of a     socket, which allowed local users to bypass intended     access restrictions and modify network configurations by     using a Netlink socket for the (1) stdout or (2) stderr     of a setuid program (bnc#875051).

  - CVE-2014-2309: The ip6_route_add function in     net/ipv6/route.c in the Linux kernel through 3.13.6 did     not properly count the addition of routes, which allowed     remote attackers to cause a denial of service (memory     consumption) via a flood of ICMPv6 Router Advertisement     packets (bnc#867531).

  - CVE-2014-3181: Multiple stack-based buffer overflows in     the magicmouse_raw_event function in     drivers/hid/hid-magicmouse.c in the Magic Mouse HID     driver in the Linux kernel through 3.16.3 allowed     physically proximate attackers to cause a denial of     service (system crash) or possibly execute arbitrary     code via a crafted device that provides a large amount     of (1) EHCI or (2) XHCI data associated with an event     (bnc#896382).

  - CVE-2014-3184: The report_fixup functions in the HID     subsystem in the Linux kernel before 3.16.2 might have     allowed physically proximate attackers to cause a denial     of service (out-of-bounds write) via a crafted device     that provides a small report descriptor, related to (1)     drivers/hid/hid-cherry.c, (2) drivers/hid/hid-kye.c, (3)     drivers/hid/hid-lg.c, (4) drivers/hid/hid-monterey.c,     (5) drivers/hid/hid-petalynx.c, and (6)     drivers/hid/hid-sunplus.c (bnc#896390).

  - CVE-2014-3185: Multiple buffer overflows in the     command_port_read_callback function in     drivers/usb/serial/whiteheat.c in the Whiteheat USB     Serial Driver in the Linux kernel before 3.16.2 allowed     physically proximate attackers to execute arbitrary code     or cause a denial of service (memory corruption and     system crash) via a crafted device that provides a large     amount of (1) EHCI or (2) XHCI data associated with a     bulk response (bnc#896391).

  - CVE-2014-3186: Buffer overflow in the picolcd_raw_event     function in devices/hid/hid-picolcd_core.c in the     PicoLCD HID device driver in the Linux kernel through     3.16.3, as used in Android on Nexus 7 devices, allowed     physically proximate attackers to cause a denial of     service (system crash) or possibly execute arbitrary     code via a crafted device that sends a large report     (bnc#896392).

  - CVE-2014-3601: The kvm_iommu_map_pages function in     virt/kvm/iommu.c in the Linux kernel through 3.16.1     miscalculates the number of pages during the handling of     a mapping failure, which allowed guest OS users to (1)     cause a denial of service (host OS memory corruption) or     possibly have unspecified other impact by triggering a     large gfn value or (2) cause a denial of service (host     OS memory consumption) by triggering a small gfn value     that leads to permanently pinned pages (bnc#892782).

  - CVE-2014-3610: The WRMSR processing functionality in the     KVM subsystem in the Linux kernel through 3.17.2 did not     properly handle the writing of a non-canonical address     to a model-specific register, which allowed guest OS     users to cause a denial of service (host OS crash) by     leveraging guest OS privileges, related to the     wrmsr_interception function in arch/x86/kvm/svm.c and     the handle_wrmsr function in arch/x86/kvm/vmx.c     (bnc#899192).

  - CVE-2014-3646: arch/x86/kvm/vmx.c in the KVM subsystem     in the Linux kernel through 3.17.2 did not have an exit     handler for the INVVPID instruction, which allowed guest     OS users to cause a denial of service (guest OS crash)     via a crafted application (bnc#899192).

  - CVE-2014-3647: arch/x86/kvm/emulate.c in the KVM     subsystem in the Linux kernel through 3.17.2 did not     properly perform RIP changes, which allowed guest OS     users to cause a denial of service (guest OS crash) via     a crafted application (bnc#899192).

  - CVE-2014-3673: The SCTP implementation in the Linux     kernel through 3.17.2 allowed remote attackers to cause     a denial of service (system crash) via a malformed     ASCONF chunk, related to net/sctp/sm_make_chunk.c and     net/sctp/sm_statefuns.c (bnc#902346).

  - CVE-2014-3687: The sctp_assoc_lookup_asconf_ack function     in net/sctp/associola.c in the SCTP implementation in     the Linux kernel through 3.17.2 allowed remote attackers     to cause a denial of service (panic) via duplicate     ASCONF chunks that trigger an incorrect uncork within     the side-effect interpreter (bnc#902349).

  - CVE-2014-3688: The SCTP implementation in the Linux     kernel before 3.17.4 allowed remote attackers to cause a     denial of service (memory consumption) by triggering a     large number of chunks in an associations output queue,     as demonstrated by ASCONF probes, related to     net/sctp/inqueue.c and net/sctp/sm_statefuns.c     (bnc#902351).

  - CVE-2014-3690: arch/x86/kvm/vmx.c in the KVM subsystem     in the Linux kernel before 3.17.2 on Intel processors     did not ensure that the value in the CR4 control     register remains the same after a VM entry, which     allowed host OS users to kill arbitrary processes or     cause a denial of service (system disruption) by     leveraging /dev/kvm access, as demonstrated by     PR_SET_TSC prctl calls within a modified copy of QEMU     (bnc#902232).

  - CVE-2014-4608: Multiple integer overflows in the     lzo1x_decompress_safe function in     lib/lzo/lzo1x_decompress_safe.c in the LZO decompressor     in the Linux kernel before 3.15.2 allowed     context-dependent attackers to cause a denial of service     (memory corruption) via a crafted Literal Run     (bnc#883948).

  - CVE-2014-4943: The PPPoL2TP feature in     net/l2tp/l2tp_ppp.c in the Linux kernel through 3.15.6     allowed local users to gain privileges by leveraging     data-structure differences between an l2tp socket and an     inet socket (bnc#887082).

  - CVE-2014-5471: Stack consumption vulnerability in the     parse_rock_ridge_inode_internal function in     fs/isofs/rock.c in the Linux kernel through 3.16.1     allowed local users to cause a denial of service     (uncontrolled recursion, and system crash or reboot) via     a crafted iso9660 image with a CL entry referring to a     directory entry that has a CL entry (bnc#892490).

  - CVE-2014-5472: The parse_rock_ridge_inode_internal     function in fs/isofs/rock.c in the Linux kernel through     3.16.1 allowed local users to cause a denial of service     (unkillable mount process) via a crafted iso9660 image     with a self-referential CL entry (bnc#892490).

  - CVE-2014-7826: kernel/trace/trace_syscalls.c in the     Linux kernel through 3.17.2 did not properly handle     private syscall numbers during use of the ftrace     subsystem, which allowed local users to gain privileges     or cause a denial of service (invalid pointer     dereference) via a crafted application (bnc#904013).

  - CVE-2014-7841: The sctp_process_param function in     net/sctp/sm_make_chunk.c in the SCTP implementation in     the Linux kernel before 3.17.4, when ASCONF is used,     allowed remote attackers to cause a denial of service     (NULL pointer dereference and system crash) via a     malformed INIT chunk (bnc#905100).

  - CVE-2014-7842: Race condition in arch/x86/kvm/x86.c in     the Linux kernel before 3.17.4 allowed guest OS users to     cause a denial of service (guest OS crash) via a crafted     application that performs an MMIO transaction or a PIO     transaction to trigger a guest userspace emulation error     report, a similar issue to CVE-2010-5313 (bnc#905312).

  - CVE-2014-8134: The paravirt_ops_setup function in     arch/x86/kernel/kvm.c in the Linux kernel through 3.18     uses an improper paravirt_enabled setting for KVM guest     kernels, which made it easier for guest OS users to     bypass the ASLR protection mechanism via a crafted     application that reads a 16-bit value (bnc#909078).

  - CVE-2014-8369: The kvm_iommu_map_pages function in     virt/kvm/iommu.c in the Linux kernel through 3.17.2     miscalculates the number of pages during the handling of     a mapping failure, which allowed guest OS users to cause     a denial of service (host OS page unpinning) or possibly     have unspecified other impact by leveraging guest OS     privileges. NOTE: this vulnerability exists because of     an incorrect fix for CVE-2014-3601 (bnc#902675).

  - CVE-2014-8559: The d_walk function in fs/dcache.c in the     Linux kernel through 3.17.2 did not properly maintain     the semantics of rename_lock, which allowed local users     to cause a denial of service (deadlock and system hang)     via a crafted application (bnc#903640).

  - CVE-2014-8709: The ieee80211_fragment function in     net/mac80211/tx.c in the Linux kernel before 3.13.5 did     not properly maintain a certain tail pointer, which     allowed remote attackers to obtain sensitive cleartext     information by reading packets (bnc#904700).

  - CVE-2014-9584: The parse_rock_ridge_inode_internal     function in fs/isofs/rock.c in the Linux kernel before     3.18.2 did not validate a length value in the Extensions     Reference (ER) System Use Field, which allowed local     users to obtain sensitive information from kernel memory     via a crafted iso9660 image (bnc#912654).

  - CVE-2014-9585: The vdso_addr function in     arch/x86/vdso/vma.c in the Linux kernel through 3.18.2     did not properly choose memory locations for the vDSO     area, which made it easier for local users to bypass the     ASLR protection mechanism by guessing a location at the     end of a PMD (bnc#912705).

The update package also includes non-security fixes. See advisory for details.

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The SUSE Linux Enterprise 12 kernel was updated to 3.12.31 to receive various security and bugfixes.

Security issues fixed: CVE-2014-9322: A local privilege escalation in the x86_64 32bit compatibility signal handling was fixed, which could be used by local attackers to crash the machine or execute code.

  - CVE-2014-9090: Various issues in LDT handling in 32bit     compatibility mode on the x86_64 platform were fixed,     where local attackers could crash the machine.

  - CVE-2014-8133: Insufficient validation of TLS register     usage could leak information from the kernel stack to     userspace.

  - CVE-2014-7826: kernel/trace/trace_syscalls.c in the     Linux kernel did not properly handle private syscall     numbers during use of the ftrace subsystem, which     allowed local users to gain privileges or cause a denial     of service (invalid pointer dereference) via a crafted     application.

  - CVE-2014-3647: Nadav Amit reported that the KVM (Kernel     Virtual Machine) mishandled noncanonical addresses when     emulating instructions that change the rip (Instruction     Pointer). A guest user with access to I/O or the MMIO     could use this flaw to cause a denial of service (system     crash) of the guest.

  - CVE-2014-3611: A race condition flaw was found in the     way the Linux kernel's KVM subsystem handled PIT     (Programmable Interval Timer) emulation. A guest user     who has access to the PIT I/O ports could use this flaw     to crash the host.

  - CVE-2014-3610: If the guest writes a noncanonical value     to certain MSR registers, KVM will write that value to     the MSR in the host context and a #GP will be raised     leading to kernel panic. A privileged guest user could     have used this flaw to crash the host.

  - CVE-2014-7841: A remote attacker could have used a flaw     in SCTP to crash the system by sending a maliciously     prepared SCTP packet in order to trigger a NULL pointer     dereference on the server.

  - CVE-2014-3673: The SCTP implementation in the Linux     kernel allowed remote attackers to cause a denial of     service (system crash) via a malformed ASCONF chunk,     related to net/sctp/sm_make_chunk.c and     net/sctp/sm_statefuns.c.

  - CVE-2014-3185: Multiple buffer overflows in the     command_port_read_callback function in     drivers/usb/serial/whiteheat.c in the Whiteheat USB     Serial Driver in the Linux kernel allowed physically     proximate attackers to execute arbitrary code or cause a     denial of service (memory corruption and system crash)     via a crafted device that provides a large amount of (1)     EHCI or (2) XHCI data associated with a bulk response.

Bugs fixed: BTRFS :

  - btrfs: fix race that makes btrfs_lookup_extent_info miss     skinny extent items (bnc#904077).

  - btrfs: fix invalid leaf slot access in     btrfs_lookup_extent() (bnc#904077).

  - btrfs: avoid returning -ENOMEM in convert_extent_bit()     too early (bnc#902016).

  - btrfs: make find_first_extent_bit be able to cache any     state (bnc#902016).

  - btrfs: deal with convert_extent_bit errors to avoid fs     corruption (bnc#902016).

  - btrfs: be aware of btree inode write errors to avoid fs     corruption (bnc#899551).

  - btrfs: add missing end_page_writeback on     submit_extent_page failure (bnc#899551).

  - btrfs: fix crash of btrfs_release_extent_buffer_page     (bnc#899551).

  - btrfs: ensure readers see new data after a clone     operation (bnc#898234).

  - btrfs: avoid visiting all extent items when cloning a     range (bnc#898234).

  - btrfs: fix clone to deal with holes when NO_HOLES     feature is enabled (bnc#898234).

  - btrfs: make fsync work after cloning into a file     (bnc#898234).

  - btrfs: fix use-after-free when cloning a trailing file     hole (bnc#898234).

  - btrfs: clone, don't create invalid hole extent map     (bnc#898234).

  - btrfs: limit the path size in send to PATH_MAX     (bnc#897770).

  - btrfs: send, fix more issues related to directory     renames (bnc#897770).

  - btrfs: send, remove dead code from
    __get_cur_name_and_parent (bnc#897770).

  - btrfs: send, account for orphan directories when     building path strings (bnc#897770).

  - btrfs: send, avoid unnecessary inode item lookup in the     btree (bnc#897770).

  - btrfs: send, fix incorrect ref access when using extrefs     (bnc#897770).

  - btrfs: send, build path string only once in send_hole     (bnc#897770).

  - btrfs: part 2, fix incremental send's decision to delay     a dir move/rename (bnc#897770).

  - btrfs: fix incremental send's decision to delay a dir     move/rename (bnc#897770).

  - btrfs: remove unnecessary inode generation lookup in     send (bnc#897770).

  - btrfs: avoid unnecessary utimes update in incremental     send (bnc#897770).

  - btrfs: fix send issuing outdated paths for utimes, chown     and chmod (bnc#897770).

  - btrfs: fix send attempting to rmdir non-empty     directories (bnc#897770).

  - btrfs: send, don't send rmdir for same target multiple     times (bnc#897770).

  - btrfs: incremental send, fix invalid path after dir     rename (bnc#897770).

  - btrfs: fix assert screwup for the pending move stuff     (bnc#897770).

  - btrfs: make some tree searches in send.c more efficient     (bnc#897770).

  - btrfs: use right extent item position in send when     finding extent clones (bnc#897770).

  - btrfs: more send support for parent/child dir     relationship inversion (bnc#897770).

  - btrfs: fix send dealing with file renames and directory     moves (bnc#897770).

  - btrfs: add missing error check in incremental send     (bnc#897770).

  - btrfs: make send's file extent item search more     efficient (bnc#897770).

  - btrfs: fix infinite path build loops in incremental send     (bnc#897770).

  - btrfs: send, don't delay dir move if there's a new     parent inode (bnc#897770).

  - btrfs: add helper btrfs_fdatawrite_range (bnc#902010).

  - btrfs: correctly flush compressed data before/after     direct IO (bnc#902010).

  - btrfs: make inode.c:compress_file_range() return void     (bnc#902010).

  - btrfs: report error after failure inlining extent in     compressed write path (bnc#902010).

  - btrfs: don't ignore compressed bio write errors     (bnc#902010).

  - btrfs: make inode.c:submit_compressed_extents() return     void (bnc#902010).

  - btrfs: process all async extents on compressed write     failure (bnc#902010).

  - btrfs: don't leak pages and memory on compressed write     error (bnc#902010).

  - btrfs: fix hang on compressed write error (bnc#902010).

  - btrfs: set page and mapping error on compressed write     failure (bnc#902010).

  - btrfs: fix kfree on list_head in     btrfs_lookup_csums_range error cleanup (bnc#904115).

Hyper-V :

  - hyperv: Fix a bug in netvsc_send().

  - hyperv: Fix a bug in netvsc_start_xmit().

  - drivers: hv: vmbus: Enable interrupt driven flow     control.

  - drivers: hv: vmbus: Properly protect calls to     smp_processor_id().

  - drivers: hv: vmbus: Cleanup hv_post_message().

  - drivers: hv: vmbus: Cleanup vmbus_close_internal().

  - drivers: hv: vmbus: Fix a bug in vmbus_open().

  - drivers: hv: vmbus: Cleanup vmbus_establish_gpadl().

  - drivers: hv: vmbus: Cleanup vmbus_teardown_gpadl().

  - drivers: hv: vmbus: Cleanup vmbus_post_msg().

  - storvsc: get rid of overly verbose warning messages.

  - hyperv: NULL dereference on error.

  - hyperv: Increase the buffer length for     netvsc_channel_cb().

zSeries / S390 :

  - s390: pass march flag to assembly files as well     (bnc#903279, LTC#118177).

  - kernel: reduce function tracer overhead (bnc#903279,     LTC#118177).

  - SUNRPC: Handle EPIPE in xprt_connect_status     (bnc#901090).

  - SUNRPC: Ensure that we handle ENOBUFS errors correctly     (bnc#901090).

  - SUNRPC: Ensure call_connect_status() deals correctly     with SOFTCONN tasks (bnc#901090).

  - SUNRPC: Ensure that call_connect times out correctly     (bnc#901090).

  - SUNRPC: Handle connect errors ECONNABORTED and     EHOSTUNREACH (bnc#901090).

  - SUNRPC: Ensure xprt_connect_status handles all potential     connection errors (bnc#901090).

  - SUNRPC: call_connect_status should recheck bind and     connect status on error (bnc#901090).

kGraft :

  - kgr: force patching process to succeed (fate#313296).

  - kgr: usb-storage, mark kthread safe (fate#313296     bnc#899908).

  - Refresh patches.suse/kgr-0039-kgr-fix-ugly-race.patch.
    Fix few bugs, and also races (immutable vs     mark_processes vs other threads).

  - kgr: always use locked bit ops for thread_info->flags     (fate#313296).

  - kgr: lower the workqueue scheduling timeout (fate#313296     bnc#905087).

  - kgr: mark even more kthreads (fate#313296 bnc#904871).

  - rpm/kernel-binary.spec.in: Provide name-version-release     for kgraft packages (bnc#901925)

Other :

  - NFSv4: test SECINFO RPC_AUTH_GSS pseudoflavors for     support (bnc#905758).

  - Enable cmac(aes) and cmac(3des_ede) for FIPS mode     (bnc#905296 bnc#905772).

  - scsi_dh_alua: disable ALUA handling for non-disk devices     (bnc#876633).

  - powerpc/vphn: NUMA node code expects big-endian     (bsc#900126).

  - net: fix checksum features handling in     netif_skb_features() (bnc#891259).

  - be2net: Fix invocation of be_close() after be_clear()     (bnc#895468).

  - PCI: pciehp: Clear Data Link Layer State Changed during     init (bnc#898297).

  - PCI: pciehp: Use symbolic constants, not hard-coded     bitmask (bnc#898297).

  - PCI: pciehp: Use link change notifications for hot-plug     and removal (bnc#898297).

  - PCI: pciehp: Make check_link_active() non-static     (bnc#898297).

  - PCI: pciehp: Enable link state change notifications     (bnc#898297).

  - ALSA: hda - Treat zero connection as non-error     (bnc#902898).

  - bcache: add mutex lock for bch_is_open (bnc#902893).

  - futex: Fix a race condition between REQUEUE_PI and task     death (bcn #851603 (futex scalability series)).

  - Linux 3.12.31 (bnc#895983 bnc#897912).

  - futex: Ensure get_futex_key_refs() always implies a     barrier (bcn #851603 (futex scalability series)).

  - usbback: don't access request fields in shared ring more     than once.

  - Update Xen patches to 3.12.30.

  - locking/rwsem: Avoid double checking before try     acquiring write lock (Locking scalability.).

  - zcrypt: toleration of new crypto adapter hardware     (bnc#894057, LTC#117041).

  - zcrypt: support for extended number of ap domains     (bnc#894057, LTC#117041).

  - kABI: protect linux/fs.h include in mm/internal.h.

  - Linux 3.12.30 (FATE#315482 bnc#862957 bnc#863526     bnc#870498).

  - Update     patches.fixes/xfs-mark-all-internal-workqueues-as-freeza     ble.patch (bnc#899785).

  - xfs: mark all internal workqueues as freezable.

  - drm/i915: Move DP port disable to post_disable for pch     platforms (bnc#899787).

  - pagecachelimit: reduce lru_lock congestion for heavy     parallel reclaim fix (bnc#895680).

  - Linux 3.12.29 (bnc#879255 bnc#880892 bnc#887046     bnc#887418 bnc#891619 bnc#892612 bnc#892650 bnc#897101).

  - iommu/vt-d: Work around broken RMRR firmware entries     (bnc#892860).

  - iommu/vt-d: Store bus information in RMRR PCI device     path (bnc#892860).

  - iommu/vt-d: Only remove domain when device is removed     (bnc#883139).

  - driver core: Add BUS_NOTIFY_REMOVED_DEVICE event     (bnc#883139).

  - Update config files: Re-enable CONFIG_FUNCTION_PROFILER     (bnc#899489) Option FUNCTION_PROFILER was enabled in     debug and trace kernels so far, but it was accidentally     disabled before tracing features were merged into the     default kernel and the trace flavor was discarded. So     all kernels are missing the feature now. Re-enable it.

  - xfs: xlog_cil_force_lsn doesn't always wait correctly.

  - scsi: clear 'host_scribble' upon successful abort     (bnc#894863).

  - module: warn if module init + probe takes long     (bnc#889297 bnc#877622 bnc#889295 bnc#893454).

  - mm, THP: don't hold mmap_sem in khugepaged when     allocating THP (bnc#880767, VM Performance).

  - pagecache_limit: batch large nr_to_scan targets     (bnc#895221).

  - iommu/vt-d: Check return value of acpi_bus_get_device()     (bnc#903307).

  - rpm/kernel-binary.spec.in: Fix including the secure boot     cert in /etc/uefi/certs

  - sched: Reduce contention in update_cfs_rq_blocked_load()     (Scheduler/core performance).

  - x86: use optimized ioresource lookup in ioremap function     (Boot time optimisations (bnc#895387)).

  - x86: optimize resource lookups for ioremap (Boot time     optimisations (bnc#895387)).

  - usb: Do not re-read descriptors for wired devices in     usb_authorize_device() (bnc#904354).

  - netxen: Fix link event handling (bnc#873228).

  - x86, cpu: Detect more TLB configuration -xen (TLB     Performance).

  - x86/mm: Fix RCU splat from new TLB tracepoints (TLB     Performance).

  - x86/mm: Set TLB flush tunable to sane value (33) (TLB     Performance).

  - x86/mm: New tunable for single vs full TLB flush (TLB     Performance).

  - x86/mm: Add tracepoints for TLB flushes (TLB     Performance).

  - x86/mm: Unify remote INVLPG code (TLB Performance).

  - x86/mm: Fix missed global TLB flush stat (TLB     Performance).

  - x86/mm: Rip out complicated, out-of-date, buggy TLB     flushing (TLB Performance).

  - x86, cpu: Detect more TLB configuration (TLB     Performance).

  - mm, x86: Revisit tlb_flushall_shift tuning for page     flushes except on IvyBridge (TLB Performance).

  - x86/mm: Clean up the TLB flushing code (TLB     Performance).

  - mm: free compound page with correct order (VM     Functionality).

  - bnx2x: Utilize FW 7.10.51 (bnc#887382).

  - bnx2x: Remove unnecessary internal mem config     (bnc#887382).

  - rtnetlink: fix oops in     rtnl_link_get_slave_info_data_size (bnc#901774).

  - dm: do not call dm_sync_table() when creating new     devices (bnc#901809).

  - [media] uvc: Fix destruction order in uvc_delete()     (bnc#897736).

  - uas: replace WARN_ON_ONCE() with lockdep_assert_held()     (FATE#315595).

  - cxgb4/cxgb4vf: Add Devicde ID for two more adapter     (bsc#903999).

  - cxgb4/cxgb4vf: Add device ID for new adapter and remove     for dbg adapter (bsc#903999).

  - cxgb4: Adds device ID for few more Chelsio T4 Adapters     (bsc#903999).

  - cxgb4: Check if rx checksum offload is enabled, while     reading hardware calculated checksum (bsc#903999).

  - xen-pciback: drop SR-IOV VFs when PF driver unloads     (bsc#901839).

This update also includes fixes contained in the Linux 3.12.stable release series, not separately listed here.

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The SUSE Linux Enterprise 11 Service Pack 3 kernel has been updated to fix various bugs and security issues.

The following security bugs have been fixed :

  - The __request_module function in kernel/kmod.c in the     Linux kernel before 3.4 did not set a certain killable     attribute, which allowed local users to cause a denial     of service (memory consumption) via a crafted     application. (bnc#779488). (CVE-2012-4398)

  - drivers/hid/hid-zpff.c in the Human Interface Device     (HID) subsystem in the Linux kernel through 3.11, when     CONFIG_HID_ZEROPLUS is enabled, allowed physically     proximate attackers to cause a denial of service     (heap-based out-of-bounds write) via a crafted device.
    (bnc#835839). (CVE-2013-2889)

  - The Human Interface Device (HID) subsystem in the Linux     kernel through 3.11, when CONFIG_LOGITECH_FF,     CONFIG_LOGIG940_FF, or CONFIG_LOGIWHEELS_FF is enabled,     allowed physically proximate attackers to cause a denial     of service (heap-based out-of-bounds write) via a     crafted device, related to (1) drivers/hid/hid-lgff.c,     (2) drivers/hid/hid-lg3ff.c, and (3)     drivers/hid/hid-lg4ff.c. (bnc#835839). (CVE-2013-2893)

  - Multiple array index errors in     drivers/hid/hid-multitouch.c in the Human Interface     Device (HID) subsystem in the Linux kernel through 3.11,     when CONFIG_HID_MULTITOUCH is enabled, allowed     physically proximate attackers to cause a denial of     service (heap memory corruption, or NULL pointer     dereference and OOPS) via a crafted device.
    (bnc#835839). (CVE-2013-2897)

  - drivers/hid/hid-picolcd_core.c in the Human Interface     Device (HID) subsystem in the Linux kernel through 3.11,     when CONFIG_HID_PICOLCD is enabled, allowed physically     proximate attackers to cause a denial of service (NULL     pointer dereference and OOPS) via a crafted device.
    (bnc#835839). (CVE-2013-2899)

  - The Linux kernel before 3.12.4 updates certain length     values before ensuring that associated data structures     have been initialized, which allowed local users to     obtain sensitive information from kernel stack memory     via a (1) recvfrom, (2) recvmmsg, or (3) recvmsg system     call, related to net/ipv4/ping.c, net/ipv4/raw.c,     net/ipv4/udp.c, net/ipv6/raw.c, and net/ipv6/udp.c.
    (bnc#853040, bnc#857643). (CVE-2013-7263)

  - Multiple stack-based buffer overflows in the     magicmouse_raw_event function in     drivers/hid/hid-magicmouse.c in the Magic Mouse HID     driver in the Linux kernel through 3.16.3 allowed     physically proximate attackers to cause a denial of     service (system crash) or possibly execute arbitrary     code via a crafted device that provides a large amount     of (1) EHCI or (2) XHCI data associated with an event.
    (bnc#896382). (CVE-2014-3181)

  - The report_fixup functions in the HID subsystem in the     Linux kernel before 3.16.2 allowed physically proximate     attackers to cause a denial of service (out-of-bounds     write) via a crafted device that provides a small report     descriptor, related to (1) drivers/hid/hid-cherry.c, (2)     drivers/hid/hid-kye.c, (3) drivers/hid/hid-lg.c, (4)     drivers/hid/hid-monterey.c, (5)     drivers/hid/hid-petalynx.c, and (6)     drivers/hid/hid-sunplus.c. (bnc#896390). (CVE-2014-3184)

  - Multiple buffer overflows in the     command_port_read_callback function in     drivers/usb/serial/whiteheat.c in the Whiteheat USB     Serial Driver in the Linux kernel before 3.16.2 allowed     physically proximate attackers to execute arbitrary code     or cause a denial of service (memory corruption and     system crash) via a crafted device that provides a large     amount of (1) EHCI or (2) XHCI data associated with a     bulk response. (bnc#896391). (CVE-2014-3185)

  - Buffer overflow in the picolcd_raw_event function in     devices/hid/hid-picolcd_core.c in the PicoLCD HID device     driver in the Linux kernel through 3.16.3, as used in     Android on Nexus 7 devices, allowed physically proximate     attackers to cause a denial of service (system crash) or     possibly execute arbitrary code via a crafted device     that sends a large report. (bnc#896392). (CVE-2014-3186)

  - The kvm_iommu_map_pages function in virt/kvm/iommu.c in     the Linux kernel through 3.16.1 miscalculated the number     of pages during the handling of a mapping failure, which     allowed guest OS users to (1) cause a denial of service     (host OS memory corruption) or possibly have unspecified     other impact by triggering a large gfn value or (2)     cause a denial of service (host OS memory consumption)     by triggering a small gfn value that leads to     permanently pinned pages. (bnc#892782). (CVE-2014-3601)

  - The WRMSR processing functionality in the KVM subsystem     in the Linux kernel through 3.17.2 did not properly     handle the writing of a non-canonical address to a     model-specific register, which allowed guest OS users to     cause a denial of service (host OS crash) by leveraging     guest OS privileges, related to the wrmsr_interception     function in arch/x86/kvm/svm.c and the handle_wrmsr     function in arch/x86/kvm/vmx.c. (bnc#899192).
    (CVE-2014-3610)

  - arch/x86/kvm/vmx.c in the KVM subsystem in the Linux     kernel through 3.17.2 did not have an exit handler for     the INVVPID instruction, which allowed guest OS users to     cause a denial of service (guest OS crash) via a crafted     application. (bnc#899192). (CVE-2014-3646)

  - arch/x86/kvm/emulate.c in the KVM subsystem in the Linux     kernel through 3.17.2 did not properly perform RIP     changes, which allowed guest OS users to cause a denial     of service (guest OS crash) via a crafted application.
    (bnc#899192). (CVE-2014-3647)

  - The SCTP implementation in the Linux kernel through     3.17.2 allowed remote attackers to cause a denial of     service (system crash) via a malformed ASCONF chunk,     related to net/sctp/sm_make_chunk.c and     net/sctp/sm_statefuns.c. (bnc#902346, bnc#902349).
    (CVE-2014-3673)

  - arch/x86/kernel/entry_32.S in the Linux kernel through     3.15.1 on 32-bit x86 platforms, when syscall auditing is     enabled and the sep CPU feature flag is set, allowed     local users to cause a denial of service (OOPS and     system crash) via an invalid syscall number, as     demonstrated by number 1000. (bnc#883724).
    (CVE-2014-4508)

  - * DISPUTED * Multiple integer overflows in the     lzo1x_decompress_safe function in     lib/lzo/lzo1x_decompress_safe.c in the LZO decompressor     in the Linux kernel before 3.15.2 allowed     context-dependent attackers to cause a denial of service     (memory corruption) via a crafted Literal Run. NOTE: the     author of the LZO algorithms says: The Linux kernel is     not affected; media hype. (bnc#883948). (CVE-2014-4608)

  - kernel/trace/trace_syscalls.c in the Linux kernel     through 3.17.2 did not properly handle private syscall     numbers during use of the ftrace subsystem, which     allowed local users to gain privileges or cause a denial     of service (invalid pointer dereference) via a crafted     application. (bnc#904013). (CVE-2014-7826)

  - An SCTP server doing ASCONF would panic on malformed     INIT ping-of-death. (bnc#905100). (CVE-2014-7841)

  - The ieee80211_fragment function in net/mac80211/tx.c in     the Linux kernel before 3.13.5 did not properly maintain     a certain tail pointer, which allowed remote attackers     to obtain sensitive cleartext information by reading     packets. (bnc#904700). (CVE-2014-8709)

  - A local user with write access could have used this flaw     to crash the kernel or elevate privileges (bnc#905522).
    The following non-security bugs have been fixed:.
    (CVE-2014-8884)

  - Build the KOTD against the SP3 Update project

  - HID: fix kabi breakage.

  - NFS: Provide stub nfs_fscache_wait_on_invalidate() for     when CONFIG_NFS_FSCACHE=n.

  - NFS: fix inverted test for delegation in     nfs4_reclaim_open_state. (bnc#903331)

  - NFS: remove incorrect Lock reclaim failed! warning.
    (bnc#903331)

  - NFSv4: nfs4_open_done first must check that GETATTR     decoded a file type. (bnc#899574)

  - PCI: pciehp: Clear Data Link Layer State Changed during     init. (bnc#898295)

  - PCI: pciehp: Enable link state change notifications.
    (bnc#898295)

  - PCI: pciehp: Handle push button event asynchronously.
    (bnc#898295)

  - PCI: pciehp: Make check_link_active() non-static.
    (bnc#898295)

  - PCI: pciehp: Use link change notifications for hot-plug     and removal. (bnc#898295)

  - PCI: pciehp: Use per-slot workqueues to avoid deadlock.
    (bnc#898295)

  - PCI: pciehp: Use symbolic constants, not hard-coded     bitmask. (bnc#898295)

  - PM / hibernate: Iterate over set bits instead of PFNs in     swsusp_free(). (bnc#860441)

  - be2net: Fix invocation of be_close() after be_clear().
    (bnc#895468)

  - block: Fix bogus partition statistics reports.
    (bnc#885077 / bnc#891211)

  - block: Fix computation of merged request priority.

  - btrfs: Fix wrong device size when we are resizing the     device.

  - btrfs: Return right extent when fiemap gives unaligned     offset and len.

  - btrfs: abtract out range locking in clone ioctl().

  - btrfs: always choose work from prio_head first.

  - btrfs: balance delayed inode updates.

  - btrfs: cache extent states in defrag code path.

  - btrfs: check file extent type before anything else.
    (bnc#897694)

  - btrfs: clone, do not create invalid hole extent map.

  - btrfs: correctly determine if blocks are shared in     btrfs_compare_trees.

  - btrfs: do not bug_on if we try to cow a free space cache     inode.

  - btrfs: ensure btrfs_prev_leaf does not miss 1 item.

  - btrfs: ensure readers see new data after a clone     operation.

  - btrfs: fill_holes: Fix slot number passed to     hole_mergeable() call.

  - btrfs: filter invalid arg for btrfs resize.

  - btrfs: fix EINVAL checks in btrfs_clone.

  - btrfs: fix EIO on reading file after ioctl clone works     on it.

  - btrfs: fix a crash of clone with inline extents split.

  - btrfs: fix crash of compressed writes. (bnc#898375)

  - btrfs: fix crash when starting transaction.

  - btrfs: fix deadlock with nested trans handles.

  - btrfs: fix hang on error (such as ENOSPC) when writing     extent pages.

  - btrfs: fix leaf corruption after __btrfs_drop_extents.

  - btrfs: fix race between balance recovery and root     deletion.

  - btrfs: fix wrong extent mapping for DirectIO.

  - btrfs: handle a missing extent for the first file     extent.

  - btrfs: limit delalloc pages outside of     find_delalloc_range. (bnc#898375)

  - btrfs: read lock extent buffer while walking backrefs.

  - btrfs: remove unused wait queue in struct extent_buffer.

  - btrfs: replace EINVAL with ERANGE for resize when     ULLONG_MAX.

  - btrfs: replace error code from btrfs_drop_extents.

  - btrfs: unlock extent and pages on error in     cow_file_range.

  - btrfs: unlock inodes in correct order in clone ioctl.

  - btrfs_ioctl_clone: Move clone code into its own     function.

  - cifs: delay super block destruction until all     cifsFileInfo objects are gone. (bnc#903653)

  - drm/i915: Flush the PTEs after updating them before     suspend. (bnc#901638)

  - drm/i915: Undo gtt scratch pte unmapping again.
    (bnc#901638)

  - ext3: return 32/64-bit dir name hash according to usage     type. (bnc#898554)

  - ext4: return 32/64-bit dir name hash according to usage     type. (bnc#898554)

  - fix: use after free of xfs workqueues. (bnc#894895)

  - fs: add new FMODE flags: FMODE_32bithash and     FMODE_64bithash. (bnc#898554)

  - futex: Ensure get_futex_key_refs() always implies a     barrier (bnc#851603 (futex scalability series)).

  - futex: Fix a race condition between REQUEUE_PI and task     death (bnc#851603 (futex scalability series)).

  - ipv6: add support of peer address. (bnc#896415)

  - ipv6: fix a refcnt leak with peer addr. (bnc#896415)

  - megaraid_sas: Disable fastpath writes for non-RAID0.
    (bnc#897502)

  - mm: change __remove_pages() to call     release_mem_region_adjustable(). (bnc#891790)

  - netxen: Fix link event handling. (bnc#873228)

  - netxen: fix link notification order. (bnc#873228)

  - nfsd: rename int access to int may_flags in nfsd_open().
    (bnc#898554)

  - nfsd: vfs_llseek() with 32 or 64 bit offsets (hashes).
    (bnc#898554)

  - ocfs2: fix NULL pointer dereference in     ocfs2_duplicate_clusters_by_page. (bnc#899843)

  - powerpc: Add smp_mb() to arch_spin_is_locked()     (bsc#893758).

  - powerpc: Add smp_mb()s to arch_spin_unlock_wait()     (bsc#893758).

  - powerpc: Add support for the optimised lockref     implementation (bsc#893758).

  - powerpc: Implement arch_spin_is_locked() using     arch_spin_value_unlocked() (bsc#893758).

  - refresh patches.xen/xen-blkback-multi-page-ring     (bnc#897708)).

  - remove filesize checks for sync I/O journal commit.
    (bnc#800255)

  - resource: add __adjust_resource() for internal use.
    (bnc#891790)

  - resource: add release_mem_region_adjustable().
    (bnc#891790)

  - revert PM / Hibernate: Iterate over set bits instead of     PFNs in swsusp_free(). (bnc#860441)

  - rpm/mkspec: Generate specfiles according to Factory     requirements.

  - rpm/mkspec: Generate a per-architecture per-package
    _constraints file

  - sched: Fix unreleased llc_shared_mask bit during CPU     hotplug. (bnc#891368)

  - scsi_dh_alua: disable ALUA handling for non-disk     devices. (bnc#876633)

  - usb: Do not re-read descriptors for wired devices in     usb_authorize_device(). (bnc#904358)

  - usbback: Do not access request fields in shared ring     more than once.

  - usbhid: add another mouse that needs QUIRK_ALWAYS_POLL.
    (bnc#888607)

  - vfs,proc: guarantee unique inodes in /proc. (bnc#868049)

  - x86, cpu hotplug: Fix stack frame warning     incheck_irq_vectors_for_cpu_disable(). (bnc#887418)

  - x86, ioremap: Speed up check for RAM pages (Boot time     optimisations (bnc#895387)).

  - x86: Add check for number of available vectors before     CPU down. (bnc#887418)

  - x86: optimize resource lookups for ioremap (Boot time     optimisations (bnc#895387)).

  - x86: use optimized ioresource lookup in ioremap function     (Boot time optimisations (bnc#895387)).

  - xfs: Do not free EFIs before the EFDs are committed     (bsc#755743).

  - xfs: Do not reference the EFI after it is freed     (bsc#755743).

  - xfs: fix cil push sequence after log recovery     (bsc#755743).

  - zcrypt: support for extended number of ap domains     (bnc#894058, LTC#117041).

  - zcrypt: toleration of new crypto adapter hardware     (bnc#894058, LTC#117041).

Multiple vulnerabilities has been found and corrected in the Linux kernel :

The WRMSR processing functionality in the KVM subsystem in the Linux kernel through 3.17.2 does not properly handle the writing of a non-canonical address to a model-specific register, which allows guest OS users to cause a denial of service (host OS crash) by leveraging guest OS privileges, related to the wrmsr_interception function in arch/x86/kvm/svm.c and the handle_wrmsr function in arch/x86/kvm/vmx.c (CVE-2014-3610).

Race condition in the __kvm_migrate_pit_timer function in arch/x86/kvm/i8254.c in the KVM subsystem in the Linux kernel through 3.17.2 allows guest OS users to cause a denial of service (host OS crash) by leveraging incorrect PIT emulation (CVE-2014-3611).

arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel before 3.12 does not have an exit handler for the INVEPT instruction, which allows guest OS users to cause a denial of service (guest OS crash) via a crafted application (CVE-2014-3645).

arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel through 3.17.2 does not have an exit handler for the INVVPID instruction, which allows guest OS users to cause a denial of service (guest OS crash) via a crafted application (CVE-2014-3646).

arch/x86/kvm/emulate.c in the KVM subsystem in the Linux kernel through 3.17.2 does not properly perform RIP changes, which allows guest OS users to cause a denial of service (guest OS crash) via a crafted application (CVE-2014-3647).

The SCTP implementation in the Linux kernel through 3.17.2 allows remote attackers to cause a denial of service (system crash) via a malformed ASCONF chunk, related to net/sctp/sm_make_chunk.c and net/sctp/sm_statefuns.c (CVE-2014-3673).

The sctp_assoc_lookup_asconf_ack function in net/sctp/associola.c in the SCTP implementation in the Linux kernel through 3.17.2 allows remote attackers to cause a denial of service (panic) via duplicate ASCONF chunks that trigger an incorrect uncork within the side-effect interpreter (CVE-2014-3687).

arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel before 3.17.2 on Intel processors does not ensure that the value in the CR4 control register remains the same after a VM entry, which allows host OS users to kill arbitrary processes or cause a denial of service (system disruption) by leveraging /dev/kvm access, as demonstrated by PR_SET_TSC prctl calls within a modified copy of QEMU (CVE-2014-3690).

kernel/trace/trace_syscalls.c in the Linux kernel through 3.17.2 does not properly handle private syscall numbers during use of the perf subsystem, which allows local users to cause a denial of service (out-of-bounds read and OOPS) or bypass the ASLR protection mechanism via a crafted application (CVE-2014-7825).

kernel/trace/trace_syscalls.c in the Linux kernel through 3.17.2 does not properly handle private syscall numbers during use of the ftrace subsystem, which allows local users to gain privileges or cause a denial of service (invalid pointer dereference) via a crafted application (CVE-2014-7826).

The pivot_root implementation in fs/namespace.c in the Linux kernel through 3.17 does not properly interact with certain locations of a chroot directory, which allows local users to cause a denial of service (mount-tree loop) via . (dot) values in both arguments to the pivot_root system call (CVE-2014-7970).

The kvm_iommu_map_pages function in virt/kvm/iommu.c in the Linux kernel through 3.17.2 miscalculates the number of pages during the handling of a mapping failure, which allows guest OS users to cause a denial of service (host OS page unpinning) or possibly have unspecified other impact by leveraging guest OS privileges. NOTE: this vulnerability exists because of an incorrect fix for CVE-2014-3601 (CVE-2014-8369).

The updated packages provides a solution for these security issues.

Nadav Amit reported that the KVM (Kernel Virtual Machine) mishandles noncanonical addresses when emulating instructions that change the rip (Instruction Pointer). A guest user with access to I/O or the MMIO can use this flaw to cause a denial of service (system crash) of the guest. (CVE-2014-3647)

A flaw was discovered with the handling of the invept instruction in the KVM (Kernel Virtual Machine) subsystem of the Linux kernel. An unprivileged guest user could exploit this flaw to cause a denial of service (system crash) on the guest. (CVE-2014-3646)

A flaw was discovered with invept instruction support when using nested EPT in the KVM (Kernel Virtual Machine). An unprivileged guest user could exploit this flaw to cause a denial of service (system crash) on the guest. (CVE-2014-3645)

Lars Bull reported a race condition in the PIT (programmable interrupt timer) emulation in the KVM (Kernel Virtual Machine) subsystem of the Linux kernel. A local guest user with access to PIT i/o ports could exploit this flaw to cause a denial of service (crash) on the host.
(CVE-2014-3611)

Lars Bull and Nadav Amit reported a flaw in how KVM (the Kernel Virtual Machine) handles noncanonical writes to certain MSR registers.
A privileged guest user can exploit this flaw to cause a denial of service (kernel panic) on the host. (CVE-2014-3610)

A flaw in the handling of malformed ASCONF chunks by SCTP (Stream Control Transmission Protocol) implementation in the Linux kernel was discovered. A remote attacker could exploit this flaw to cause a denial of service (system crash). (CVE-2014-3673)

A flaw in the handling of duplicate ASCONF chunks by SCTP (Stream Control Transmission Protocol) implementation in the Linux kernel was discovered. A remote attacker could exploit this flaw to cause a denial of service (panic). (CVE-2014-3687)

It was discovered that excessive queuing by SCTP (Stream Control Transmission Protocol) implementation in the Linux kernel can cause memory pressure. A remote attacker could exploit this flaw to cause a denial of service. (CVE-2014-3688)

A flaw was discovered in how the Linux kernel's KVM (Kernel Virtual Machine) subsystem handles the CR4 control register at VM entry on Intel processors. A local host OS user can exploit this to cause a denial of service (kill arbitrary processes, or system disruption) by leveraging /dev/kvm access. (CVE-2014-3690)

Don Bailey discovered a flaw in the LZO decompress algorithm used by the Linux kernel. An attacker could exploit this flaw to cause a denial of service (memory corruption or OOPS). (CVE-2014-4608)

It was discovered the Linux kernel's implementation of IPv6 did not properly validate arguments in the ipv6_select_ident function. A local user could exploit this flaw to cause a denial of service (system crash) by leveraging tun or macvtap device access. (CVE-2014-7207)

Andy Lutomirski discovered that the Linux kernel was not checking the CAP_SYS_ADMIN when remounting filesystems to read-only. A local user could exploit this flaw to cause a denial of service (loss of writability). (CVE-2014-7975).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Nadav Amit reported that the KVM (Kernel Virtual Machine) mishandles noncanonical addresses when emulating instructions that change the rip (Instruction Pointer). A guest user with access to I/O or the MMIO can use this flaw to cause a denial of service (system crash) of the guest. (CVE-2014-3647)

A flaw was discovered with the handling of the invept instruction in the KVM (Kernel Virtual Machine) subsystem of the Linux kernel. An unprivileged guest user could exploit this flaw to cause a denial of service (system crash) on the guest. (CVE-2014-3646)

Lars Bull reported a race condition in the PIT (programmable interrupt timer) emulation in the KVM (Kernel Virtual Machine) subsystem of the Linux kernel. A local guest user with access to PIT i/o ports could exploit this flaw to cause a denial of service (crash) on the host.
(CVE-2014-3611)

Lars Bull and Nadav Amit reported a flaw in how KVM (the Kernel Virtual Machine) handles noncanonical writes to certain MSR registers.
A privileged guest user can exploit this flaw to cause a denial of service (kernel panic) on the host. (CVE-2014-3610).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service :

  - CVE-2014-3610     Lars Bull of Google and Nadav Amit reported a flaw in     how KVM handles noncanonical writes to certain MSR     registers. A privileged guest user can exploit this flaw     to cause a denial of service (kernel panic) on the host.

  - CVE-2014-3611     Lars Bull of Google reported a race condition in the PIT     emulation code in KVM. A local guest user with access to     PIT i/o ports could exploit this flaw to cause a denial     of service (crash) on the host.

  - CVE-2014-3645/ CVE-2014-3646     The Advanced Threat Research team at Intel Security     discovered that the KVM subsystem did not handle the VM     exits gracefully for the invept (Invalidate Translations     Derived from EPT) and invvpid (Invalidate Translations     Based on VPID) instructions. On hosts with an Intel     processor and invept/invppid VM exit support, an     unprivileged guest user could use these instructions to     crash the guest.

  - CVE-2014-3647     Nadav Amit reported that KVM mishandles noncanonical     addresses when emulating instructions that change rip,     potentially causing a failed VM-entry. A guest user with     access to I/O or the MMIO can use this flaw to cause a     denial of service (system crash) of the guest.

  - CVE-2014-3673     Liu Wei of Red Hat discovered a flaw in     net/core/skbuff.c leading to a kernel panic when     receiving malformed ASCONF chunks. A remote attacker     could use this flaw to crash the system.

  - CVE-2014-3687     A flaw in the sctp stack was discovered leading to a     kernel panic when receiving duplicate ASCONF chunks. A     remote attacker could use this flaw to crash the system.

  - CVE-2014-3688     It was found that the sctp stack is prone to a remotely     triggerable memory pressure issue caused by excessive     queueing. A remote attacker could use this flaw to cause     denial-of-service conditions on the system.

  - CVE-2014-3690     Andy Lutomirski discovered that incorrect register     handling in KVM may lead to denial of service.

  - CVE-2014-7207     Several Debian developers reported an issue in the IPv6     networking subsystem. A local user with access to tun or     macvtap devices, or a virtual machine connected to such     a device, can cause a denial of service (system crash).

This update includes a bug fix related to CVE-2014-7207 that disables UFO (UDP Fragmentation Offload) in the macvtap, tun, and virtio_net drivers. This will cause migration of a running VM from a host running an earlier kernel version to a host running this kernel version to fail, if the VM has been assigned a virtio network device. In order to migrate such a VM, it must be shut down first.

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-2395-1 advisory.

  - Array index error in the logi_dj_raw_event function in drivers/hid/hid-logitech-dj.c in the Linux kernel     before 3.16.2 allows physically proximate attackers to execute arbitrary code or cause a denial of service     (invalid kfree) via a crafted device that provides a malformed REPORT_TYPE_NOTIF_DEVICE_UNPAIRED value.
    (CVE-2014-3182)

  - The WRMSR processing functionality in the KVM subsystem in the Linux kernel through 3.17.2 does not     properly handle the writing of a non-canonical address to a model-specific register, which allows guest OS     users to cause a denial of service (host OS crash) by leveraging guest OS privileges, related to the     wrmsr_interception function in arch/x86/kvm/svm.c and the handle_wrmsr function in arch/x86/kvm/vmx.c.
    (CVE-2014-3610)

  - Race condition in the __kvm_migrate_pit_timer function in arch/x86/kvm/i8254.c in the KVM subsystem in the     Linux kernel through 3.17.2 allows guest OS users to cause a denial of service (host OS crash) by     leveraging incorrect PIT emulation. (CVE-2014-3611)

  - arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel through 3.17.2 does not have an exit handler     for the INVVPID instruction, which allows guest OS users to cause a denial of service (guest OS crash) via     a crafted application. (CVE-2014-3646)

  - arch/x86/kvm/emulate.c in the KVM subsystem in the Linux kernel through 3.17.2 does not properly perform     RIP changes, which allows guest OS users to cause a denial of service (guest OS crash) via a crafted     application. (CVE-2014-3647)

  - The SMB2_tcon function in fs/cifs/smb2pdu.c in the Linux kernel before 3.16.3 allows remote CIFS servers     to cause a denial of service (NULL pointer dereference and client system crash) or possibly have     unspecified other impact by deleting the IPC$ share during resolution of DFS referrals. (CVE-2014-7145)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Nadav Amit reported that the KVM (Kernel Virtual Machine) mishandles noncanonical addresses when emulating instructions that change the rip (Instruction Pointer). A guest user with access to I/O or the MMIO can use this flaw to cause a denial of service (system crash) of the guest. (CVE-2014-3647)

A flaw was discovered with the handling of the invept instruction in the KVM (Kernel Virtual Machine) subsystem of the Linux kernel. An unprivileged guest user could exploit this flaw to cause a denial of service (system crash) on the guest. (CVE-2014-3646)

Lars Bull reported a race condition in the PIT (programmable interrupt timer) emulation in the KVM (Kernel Virtual Machine) subsystem of the Linux kernel. A local guest user with access to PIT i/o ports could exploit this flaw to cause a denial of service (crash) on the host.
(CVE-2014-3611)

Lars Bull and Nadav Amit reported a flaw in how KVM (the Kernel Virtual Machine) handles noncanonical writes to certain MSR registers.
A privileged guest user can exploit this flaw to cause a denial of service (kernel panic) on the host. (CVE-2014-3610)

Raphael Geissert reported a NULL pointer dereference in the Linux kernel's CIFS client. A remote CIFS server could cause a denial of service (system crash) or possibly have other unspecified impact by deleting IPC$ share during resolution of DFS referrals.
(CVE-2014-7145).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Severity
124973	EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1520)	Nessus	Huawei Local Security Checks	critical
124804	EulerOS Virtualization 3.0.1.0 : kernel (EulerOS-SA-2019-1480)	Nessus	Huawei Local Security Checks	high
88430	F5 Networks BIG-IP : Linux kernel KVM subsystem vulnerability (K13145361)	Nessus	F5 Networks Local Security Checks	medium
87559	Scientific Linux Security Update : kernel on SL7.x x86_64 (20151119)	Nessus	Scientific Linux Local Security Checks	medium
87135	CentOS 7 : kernel (CESA-2015:2152)	Nessus	CentOS Local Security Checks	high
87090	Oracle Linux 7 : kernel (ELSA-2015-2152)	Nessus	Oracle Linux Local Security Checks	high
86972	RHEL 7 : kernel (RHSA-2015:2152)	Nessus	Red Hat Local Security Checks	high
84227	SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2015:1071-1)	Nessus	SuSE Local Security Checks	medium
83696	SUSE SLES11 Security Update : kernel (SUSE-SU-2015:0481-1)	Nessus	SuSE Local Security Checks	high
83665	SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2015:0068-1)	Nessus	SuSE Local Security Checks	high
80250	SuSE 11.3 Security Update : Linux kernel (SAT Patch Number 10103)	Nessus	SuSE Local Security Checks	high
80249	SuSE 11.3 Security Update : Linux kernel (SAT Patch Numbers 10037 / 10040)	Nessus	SuSE Local Security Checks	high
79610	Mandriva Linux Security Advisory : kernel (MDVSA-2014:230)	Nessus	Mandriva Local Security Checks	high
79433	Ubuntu 12.04 LTS : linux vulnerabilities (USN-2417-1)	Nessus	Ubuntu Local Security Checks	high
78821	Ubuntu 14.10 : linux vulnerabilities (USN-2396-1)	Nessus	Ubuntu Local Security Checks	medium
78784	Debian DSA-3060-1 : linux - security update	Nessus	Debian Local Security Checks	high
78765	Ubuntu 14.04 LTS : Linux kernel vulnerabilities (USN-2395-1)	Nessus	Ubuntu Local Security Checks	medium
78764	Ubuntu 12.04 LTS : linux-lts-trusty vulnerabilities (USN-2394-1)	Nessus	Ubuntu Local Security Checks	medium

Detections

Analytics

CVE-2014-3647

medium

Tenable Plugins

critical

high

medium

medium

high

high

high

medium

high

high

high

high

high

high

medium

high

medium

medium