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

  - A vulnerability was found in the Linux kernel where the     keyctl_set_reqkey_keyring() function leaks the thread     keyring. This allows an unprivileged local user to     exhaust kernel memory and thus cause a     DoS.(CVE-2017-7472)

  - A reference counter leak in Linux kernel in     ipxitf_ioctl function was found which results in a use     after free vulnerability that's triggerable from     unprivileged userspace when IPX interface is     configured.(CVE-2017-7487)

  - A vulnerability was found in the Linux kernel where     filesystems mounted with data=ordered mode may allow an     attacker to read stale data from recently allocated     blocks in new files after a system 'reset' by abusing     ext4 mechanics of delayed allocation.(CVE-2017-7495)

  - A race condition was found in the Linux kernel, present     since v3.14-rc1 through v4.12. The race happens between     threads of inotify_handle_event() and vfs_rename()     while running the rename operation against the same     file. As a result of the race the next slab data or the     slab's free list pointer can be corrupted with     attacker-controlled data, which may lead to the     privilege escalation.(CVE-2017-7533)

  - Kernel memory corruption due to a buffer overflow was     found in brcmf_cfg80211_mgmt_tx() function in Linux     kernels from v3.9-rc1 to v4.13-rc1. The vulnerability     can be triggered by sending a crafted NL80211_CMD_FRAME     packet via netlink. This flaw is unlikely to be     triggered remotely as certain userspace code is needed     for this. An unprivileged local user could use this     flaw to induce kernel memory corruption on the system,     leading to a crash. Due to the nature of the flaw,     privilege escalation cannot be fully ruled out,     although it is unlikely.(CVE-2017-7541)

  - An integer overflow vulnerability in     ip6_find_1stfragopt() function was found. A local     attacker that has privileges (of CAP_NET_RAW) to open     raw socket can cause an infinite loop inside the     ip6_find_1stfragopt() function.(CVE-2017-7542)

  - Incorrect error handling in the set_mempolicy() and     mbind() compat syscalls in 'mm/mempolicy.c' in the     Linux kernel allows local users to obtain sensitive     information from uninitialized stack data by triggering     failure of a certain bitmap operation.(CVE-2017-7616)

  - The NFS2/3 RPC client could send long arguments to the     NFS server. These encoded arguments are stored in an     array of memory pages, and accessed using pointer     variables. Arbitrarily long arguments could make these     pointers point outside the array and cause an     out-of-bounds memory access. A remote user or program     could use this flaw to crash the kernel, resulting in     denial of service.(CVE-2017-7645)

  - The NFSv2 and NFSv3 server implementations in the Linux     kernel through 4.10.13 lacked certain checks for the     end of a buffer. A remote attacker could trigger a     pointer-arithmetic error or possibly cause other     unspecified impacts using crafted requests related to     fs/nfsd/nfs3xdr.c and fs/nfsd/nfsxdr.c.(CVE-2017-7895)

  - It was found that the NFSv4 server in the Linux kernel     did not properly validate layout type when processing     NFSv4 pNFS LAYOUTGET and GETDEVICEINFO operands. A     remote attacker could use this flaw to soft-lockup the     system and thus cause denial of service.(CVE-2017-8797)

  - A use-after-free vulnerability was found in DCCP socket     code affecting the Linux kernel since 2.6.16. This     vulnerability could allow an attacker to their escalate     privileges.(CVE-2017-8824)

  - The inet_csk_clone_lock function in     net/ipv4/inet_connection_sock.c in the Linux kernel     allows attackers to cause a denial of service (double     free) or possibly have unspecified other impact by     leveraging use of the accept system call. An     unprivileged local user could use this flaw to induce     kernel memory corruption on the system, leading to a     crash. Due to the nature of the flaw, privilege     escalation cannot be fully ruled out, although we     believe it is unlikely.(CVE-2017-8890)

  - The edge_bulk_in_callback function in     drivers/usb/serial/io_ti.c in the Linux kernel allows     local users to obtain sensitive information (in the     dmesg ringbuffer and syslog) from uninitialized kernel     memory by using a crafted USB device (posing as an     io_ti USB serial device) to trigger an integer     underflow.(CVE-2017-8924)

  - The IPv6 fragmentation implementation in the Linux     kernel does not consider that the nexthdr field may be     associated with an invalid option, which allows local     users to cause a denial of service (out-of-bounds read     and BUG) or possibly have unspecified other impact via     crafted socket and send system calls. Due to the nature     of the flaw, privilege escalation cannot be fully ruled     out, although we believe it is unlikely.(CVE-2017-9074)

  - The sctp_v6_create_accept_sk function in     net/sctp/ipv6.c in the Linux kernel mishandles     inheritance, which allows local users to cause a denial     of service or possibly have unspecified other impact     via crafted system calls, a related issue to     CVE-2017-8890. An unprivileged local user could use     this flaw to induce kernel memory corruption on the     system, leading to a crash. Due to the nature of the     flaw, privilege escalation cannot be fully ruled out,     although we believe it is unlikely.(CVE-2017-9075)

  - The IPv6 DCCP implementation in the Linux kernel     mishandles inheritance, which allows local users to     cause a denial of service or possibly have unspecified     other impact via crafted system calls, a related issue     to CVE-2017-8890. An unprivileged local user could use     this flaw to induce kernel memory corruption on the     system, leading to a crash. Due to the nature of the     flaw, privilege escalation cannot be fully ruled out,     although we believe it is unlikely.(CVE-2017-9076)

  - The tcp_v6_syn_recv_sock function in     net/ipv6/tcp_ipv6.c in the Linux kernel mishandles     inheritance, which allows local users to cause a denial     of service or possibly have unspecified other impact     via crafted system calls, a related issue to     CVE-2017-8890. An unprivileged local user could use     this flaw to induce kernel memory corruption on the     system, leading to a crash. Due to the nature of the     flaw, privilege escalation cannot be fully ruled out,     although we believe it is unlikely.(CVE-2017-9077)

  - The __ip6_append_data function in net/ipv6/ip6_output.c     in the Linux kernel through 4.11.3 is too late in     checking whether an overwrite of an skb data structure     may occur, which allows local users to cause a denial     of service (system crash) via crafted system     calls.(CVE-2017-9242)

  - The vmw_gb_surface_define_ioctl function (accessible     via DRM_IOCTL_VMW_GB_SURFACE_CREATE) in     drivers/gpu/drm/vmwgfx/vmwgfx_surface.c in the Linux     kernel through 4.11.4 defines a backup_handle variable     but does not give it an initial value. If one attempts     to create a GB surface, with a previously allocated DMA     buffer to be used as a backup buffer, the backup_handle     variable does not get written to and is then later     returned to user space, allowing local users to obtain     sensitive information from uninitialized kernel memory     via a crafted ioctl call.(CVE-2017-9605)

  - In the Linux kernel versions 4.12, 3.10, 2.6, and     possibly earlier, a race condition vulnerability exists     in the sound system allowing for a potential deadlock     and memory corruption due to use-after-free condition     and thus denial of service. Due to the nature of the     flaw, privilege escalation cannot be fully ruled out,     although we believe it is unlikely.(CVE-2018-1000004)

  - The code in the drivers/scsi/libsas/sas_scsi_host.c     file in the Linux kernel allow a physically proximate     attacker to cause a memory leak in the ATA command     queue and, thus, denial of service by triggering     certain failure conditions.(CVE-2018-10021)

  - The kernel_wait4 function in kernel/exit.c in the Linux     kernel, when an unspecified architecture and compiler     is used, might allow local users to cause a denial of     service by triggering an attempted use of the -INT_MIN     value.(CVE-2018-10087)

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.

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks.

CVE-2016-10208

Sergej Schumilo and Ralf Spenneberg discovered that a crafted ext4 filesystem could trigger memory corruption when it is mounted. A user that can provide a device or filesystem image to be mounted could use this for denial of service (crash or data corruption) or possibly for privilege escalation.

CVE-2017-8824

Mohamed Ghannam discovered that the DCCP implementation did not correctly manage resources when a socket is disconnected and reconnected, potentially leading to a use-after-free. A local user could use this for denial of service (crash or data corruption) or possibly for privilege escalation. On systems that do not already have the dccp module loaded, this can be mitigated by disabling it: echo >> /etc/modprobe.d/disable-dccp.conf install dccp false

CVE-2017-8831

Pengfei Wang discovered that the saa7164 video capture driver re-reads data from a PCI device after validating it. A physically present user able to attach a specially designed PCI device could use this for privilege escalation.

CVE-2017-12190

Vitaly Mayatskikh discovered that the block layer did not correctly count page references for raw I/O from user-space. This can be exploited by a guest VM with access to a host SCSI device for denial of service (memory exhaustion) or potentially for privilege escalation.

CVE-2017-13080

A vulnerability was found in the WPA2 protocol that could lead to reinstallation of the same Group Temporal Key (GTK), which substantially reduces the security of wifi encryption. This is one of the issues collectively known as 'KRACK'.

Updates to GTKs are usually handled by the wpa package, where this issue was already fixed (DLA-1150-1). However, some wifi devices can remain active and update GTKs autonomously while the system is suspended. The kernel must also check for and ignore key reinstallation.

CVE-2017-14051

'shqking' reported that the qla2xxx SCSI host driver did not correctly validate I/O to the 'optrom' sysfs attribute of the devices it creates. This is unlikely to have any security impact.

CVE-2017-15115

Vladis Dronov reported that the SCTP implementation did not correctly handle 'peel-off' of an association to another net namespace. This leads to a use-after-free, which a local user can exploit for denial of service (crash or data corruption) or possibly for privilege escalation. On systems that do not already have the sctp module loaded, this can be mitigated by disabling it: echo >> /etc/modprobe.d/disable-sctp.conf install sctp false

CVE-2017-15265

Michael23 Yu reported a race condition in the ALSA sequencer subsystem involving creation and deletion of ports, which could lead to a use-after-free. A local user with access to an ALSA sequencer device can use this for denial of service (crash or data loss) or possibly for privilege escalation.

CVE-2017-15299

Eric Biggers discovered that the KEYS subsystem did not correctly handle update of an uninstantiated key, leading to a null dereference.
A local user can use this for denial of service (crash).

CVE-2017-15649

'nixioaming' reported a race condition in the packet socket (AF_PACKET) implementation involving rebinding to a fanout group, which could lead to a use-after-free. A local user with the CAP_NET_RAW capability can use this for denial of service (crash or data corruption) or possibly for privilege escalation.

CVE-2017-15868

Al Viro found that the Bluebooth Network Encapsulation Protocol (BNEP) implementation did not validate the type of the second socket passed to the BNEPCONNADD ioctl(), which could lead to memory corruption. A local user with the CAP_NET_ADMIN capability can use this for denial of service (crash or data corruption) or possibly for privilege escalation.

CVE-2017-16525

Andrey Konovalov reported that the USB serial console implementation did not correctly handle disconnection of unusual serial devices, leading to a use-after-free. A similar issue was found in the case where setup of a serial console fails. A physically present user with a specially designed USB device can use this to cause a denial of service (crash or data corruption) or possibly for privilege escalation.

CVE-2017-16527

Andrey Konovalov reported that the USB sound mixer driver did not correctly cancel I/O in case it failed to probe a device, which could lead to a use-after-free. A physically present user with a specially designed USB device can use this to cause a denial of service (crash or data corruption) or possibly for privilege escalation.

CVE-2017-16529

Andrey Konovalov reported that the USB sound driver did not fully validate descriptor lengths, which could lead to a buffer over-read. A physically present user with a specially designed USB device may be able to use this to cause a denial of service (crash).

CVE-2017-16531

Andrey Konovalov reported that the USB core did not validate IAD lengths, which could lead to a buffer over-read. A physically present user with a specially designed USB device may be able to use this to cause a denial of service (crash).

CVE-2017-16532

Andrey Konovalov reported that the USB test driver did not correctly handle devices with specific combinations of endpoints. A physically present user with a specially designed USB device can use this to cause a denial of service (crash).

CVE-2017-16533

Andrey Konovalov reported that the USB HID driver did not fully validate descriptor lengths, which could lead to a buffer over-read. A physically present user with a specially designed USB device may be able to use this to cause a denial of service (crash).

CVE-2017-16535

Andrey Konovalov reported that the USB core did not validate BOS descriptor lengths, which could lead to a buffer over-read. A physically present user with a specially designed USB device may be able to use this to cause a denial of service (crash).

CVE-2017-16536

Andrey Konovalov reported that the cx231xx video capture driver did not fully validate the device endpoint configuration, which could lead to a null dereference. A physically present user with a specially designed USB device can use this to cause a denial of service (crash).

CVE-2017-16537

Andrey Konovalov reported that the imon RC driver did not fully validate the device interface configuration, which could lead to a null dereference. A physically present user with a specially designed USB device can use this to cause a denial of service (crash).

CVE-2017-16643

Andrey Konovalov reported that the gtco tablet driver did not fully validate descriptor lengths, which could lead to a buffer over-read. A physically present user with a specially designed USB device may be able to use this to cause a denial of service (crash).

CVE-2017-16649

Bj&oslash;rn Mork found that the cdc_ether network driver did not validate the device's maximum segment size, potentially leading to a division by zero. A physically present user with a specially designed USB device can use this to cause a denial of service (crash).

CVE-2017-16939

Mohamed Ghannam reported (through Beyond Security's SecuriTeam Secure Disclosure program) that the IPsec (xfrm) implementation did not correctly handle some failure cases when dumping policy information through netlink. A local user with the CAP_NET_ADMIN capability can use this for denial of service (crash or data corruption) or possibly for privilege escalation.

CVE-2017-1000407

Andrew Honig reported that the KVM implementation for Intel processors allowed direct access to host I/O port 0x80, which is not generally safe. On some systems this allows a guest VM to cause a denial of service (crash) of the host.

For Debian 7 'Wheezy', these problems have been fixed in version 3.2.96-2. This version also includes bug fixes from upstream versions up to and including 3.2.96. It also fixes some regressions caused by the fix for CVE-2017-1000364, which was included in DLA-993-1.

We recommend that you upgrade your linux packages.

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

It was discovered that an out-of-bounds write vulnerability existed in the Flash-Friendly File System (f2fs) in the Linux kernel. An attacker could construct a malicious file system that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-0750)

It was discovered that a race condition leading to a use-after-free vulnerability existed in the ALSA PCM subsystem of the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-0861)

It was discovered that the KVM implementation in the Linux kernel allowed passthrough of the diagnostic I/O port 0x80. An attacker in a guest VM could use this to cause a denial of service (system crash) in the host OS. (CVE-2017-1000407)

Bo Zhang discovered that the netlink wireless configuration interface in the Linux kernel did not properly validate attributes when handling certain requests. A local attacker with the CAP_NET_ADMIN could use this to cause a denial of service (system crash). (CVE-2017-12153)

Vitaly Mayatskikh discovered that the SCSI subsystem in the Linux kernel did not properly track reference counts when merging buffers. A local attacker could use this to cause a denial of service (memory exhaustion). (CVE-2017-12190)

It was discovered that the key management subsystem in the Linux kernel did not properly restrict key reads on negatively instantiated keys. A local attacker could use this to cause a denial of service (system crash). (CVE-2017-12192)

It was discovered that an integer overflow existed in the sysfs interface for the QLogic 24xx+ series SCSI driver in the Linux kernel.
A local privileged attacker could use this to cause a denial of service (system crash). (CVE-2017-14051)

Otto Ebeling discovered that the memory manager in the Linux kernel did not properly check the effective UID in some situations. A local attacker could use this to expose sensitive information.
(CVE-2017-14140)

It was discovered that the ATI Radeon framebuffer driver in the Linux kernel did not properly initialize a data structure returned to user space. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2017-14156)

ChunYu Wang discovered that the iSCSI transport implementation in the Linux kernel did not properly validate data structures. A local attacker could use this to cause a denial of service (system crash).
(CVE-2017-14489)

James Patrick-Evans discovered a race condition in the LEGO USB Infrared Tower driver in the Linux kernel. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-15102)

ChunYu Wang discovered that a use-after-free vulnerability existed in the SCTP protocol implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code, (CVE-2017-15115)

It was discovered that the key management subsystem in the Linux kernel did not properly handle NULL payloads with non-zero length values. A local attacker could use this to cause a denial of service (system crash). (CVE-2017-15274)

It was discovered that the Bluebooth Network Encapsulation Protocol (BNEP) implementation in the Linux kernel did not validate the type of socket passed in the BNEPCONNADD ioctl(). A local attacker with the CAP_NET_ADMIN privilege could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-15868)

Andrey Konovalov discovered a use-after-free vulnerability in the USB serial console driver in the Linux kernel. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-16525)

It was discovered that the netfilter passive OS fingerprinting (xt_osf) module did not properly perform access control checks. A local attacker could improperly modify the systemwide OS fingerprint list. (CVE-2017-17450)

It was discovered that the HMAC implementation did not validate the state of the underlying cryptographic hash algorithm. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-17806)

Denys Fedoryshchenko discovered a use-after-free vulnerability in the netfilter xt_TCPMSS filter of the Linux kernel. A remote attacker could use this to cause a denial of service (system crash).
(CVE-2017-18017)

Gareth Evans discovered that the shm IPC subsystem in the Linux kernel did not properly restrict mapping page zero. A local privileged attacker could use this to execute arbitrary code. (CVE-2017-5669)

It was discovered that an integer overflow vulnerability existing in the IPv6 implementation in the Linux kernel. A local attacker could use this to cause a denial of service (infinite loop). (CVE-2017-7542)

Tommi Rantala and Brad Spengler discovered that the memory manager in the Linux kernel did not properly enforce the CONFIG_STRICT_DEVMEM protection mechanism. A local attacker with access to /dev/mem could use this to expose sensitive information or possibly execute arbitrary code. (CVE-2017-7889)

Mohamed Ghannam discovered a use-after-free vulnerability in the DCCP protocol implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-8824)

Mohamed Ghannam discovered a NULL pointer dereference in the RDS (Reliable Datagram Sockets) protocol implementation of the Linux kernel. A local attacker could use this to cause a denial of service (system crash). (CVE-2018-5333)

Fan Long Fei  discovered that a race condition existed in loop block device implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-5344)

USN-3524-1 mitigated CVE-2017-5754 (Meltdown) for the amd64 architecture in Ubuntu 14.04 LTS. This update provides the corresponding mitigations for the ppc64el architecture. Original advisory details :

Jann Horn discovered that microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Meltdown. A local attacker could use this to expose sensitive information, including kernel memory. (CVE-2017-5754).

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.

Description of changes:

kernel-uek kernel-uek [3.8.13-118.22.1.el7uek]
- dm: fix race between dm_get_from_kobject() and __dm_destroy() (Hou Tao)   {CVE-2017-18203}
- drm: udl: Properly check framebuffer mmap offsets (Greg Kroah-Hartman)   [Orabug: 27986407]  {CVE-2018-8781}
- kernel/exit.c: avoid undefined behaviour when calling wait4() wait4(-2147483648, 0x20, 0, 0xdd0000) triggers: UBSAN: Undefined behaviour in kernel/exit.c:1651:9 (mridula shastry)  [Orabug: 27875488] {CVE-2018-10087}
- kernel/signal.c: avoid undefined behaviour in kill_something_info When running kill(72057458746458112, 0) in userspace I hit the following issue. (mridula shastry)   {CVE-2018-10124}
- bluetooth: Validate socket address length in sco_sock_bind(). (mlevatic)  [Orabug: 28130293]  {CVE-2015-8575}
- dccp: check sk for closed state in dccp_sendmsg() (Alexey Kodanev) [Orabug: 28220402]  {CVE-2017-8824} {CVE-2018-1130}
- sctp: verify size of a new chunk in _sctp_make_chunk() (Alexey Kodanev)  [Orabug: 28240075]  {CVE-2018-5803}
- mm/mempolicy.c: fix error handling in set_mempolicy and mbind. (Chris Salls)  [Orabug: 28242478]  {CVE-2017-7616}
- xfrm: policy: check policy direction value (Vladis Dronov)  [Orabug: 28264121]  {CVE-2017-11600} {CVE-2017-11600}
- x86/fpu: Make eager FPU default (Mihai Carabas)  [Orabug: 28156176] {CVE-2018-3665}
- KVM: Fix stack-out-of-bounds read in write_mmio (Wanpeng Li)  [Orabug: 27951287]  {CVE-2017-17741} {CVE-2017-17741}
- xfs: set format back to extents if xfs_bmap_extents_to_btree (Eric Sandeen)  [Orabug: 27989498]  {CVE-2018-10323}
- Bluetooth: Prevent stack info leak from the EFS element. (Ben Seri) [Orabug: 28030520]  {CVE-2017-1000410} {CVE-2017-1000410}
- ALSA: hrtimer: Fix stall by hrtimer_cancel() (Takashi Iwai)  [Orabug: 28058229]  {CVE-2016-2549}
- ALSA: timer: Harden slave timer list handling (Takashi Iwai)  [Orabug: 28058229]  {CVE-2016-2547} {CVE-2016-2548}
- ALSA: timer: Fix double unlink of active_list (Takashi Iwai)  [Orabug: 28058229]  {CVE-2016-2545}
- ALSA: seq: Fix missing NULL check at remove_events ioctl (Takashi Iwai)  [Orabug: 28058229]  {CVE-2016-2543}
- ALSA: seq: Fix race at timer setup and close (Takashi Iwai)  [Orabug: 28058229]  {CVE-2016-2544}
- ALSA: usb-audio: avoid freeing umidi object twice (Andrey Konovalov) [Orabug: 28058229]  {CVE-2016-2384}
- perf/hwbp: Simplify the perf-hwbp code, fix documentation (Linus Torvalds)  [Orabug: 27947608]  {CVE-2018-1000199}
- Revert 'perf/hwbp: Simplify the perf-hwbp code, fix documentation' (Brian Maly)  [Orabug: 27947608]

Security Fix(es) :

  - hw: cpu: speculative execution permission faults     handling (CVE-2017-5754, Important, KVM for Power)

  - kernel: Buffer overflow in firewire driver via crafted     incoming packets (CVE-2016-8633, Important)

  - kernel: Use-after-free vulnerability in DCCP socket     (CVE-2017-8824, Important)

  - Kernel: kvm: nVMX: L2 guest could access hardware(L0)     CR8 register (CVE-2017-12154, Important)

  - kernel: v4l2: disabled memory access protection     mechanism allowing privilege escalation (CVE-2017-13166,     Important)

  - kernel: media: use-after-free in [tuner-xc2028] media     driver (CVE-2016-7913, Moderate)

  - kernel: drm/vmwgfx: fix integer overflow in     vmw_surface_define_ioctl() (CVE-2017-7294, Moderate)

  - kernel: Incorrect type conversion for size during dma     allocation (CVE-2017-9725, Moderate)

  - kernel: memory leak when merging buffers in SCSI IO     vectors (CVE-2017-12190, Moderate)

  - kernel: vfs: BUG in truncate_inode_pages_range() and     fuse client (CVE-2017-15121, Moderate)

  - kernel: Use-after-free in     userfaultfd_event_wait_completion function in     userfaultfd.c (CVE-2017-15126, Moderate)

  - kernel: net: double-free and memory corruption in     get_net_ns_by_id() (CVE-2017-15129, Moderate)

  - kernel: Use-after-free in snd_seq_ioctl_create_port()     (CVE-2017-15265, Moderate)

  - kernel: Missing capabilities check in     net/netfilter/nfnetlink_cthelper.c allows for     unprivileged access to systemwide nfnl_cthelper_list     structure (CVE-2017-17448, Moderate)

  - kernel: Missing namespace check in     net/netlink/af_netlink.c allows for network monitors to     observe systemwide activity (CVE-2017-17449, Moderate)

  - kernel: Unallocated memory access by malicious USB     device via bNumInterfaces overflow (CVE-2017-17558,     Moderate)

  - kernel: netfilter: use-after-free in     tcpmss_mangle_packet function in     net/netfilter/xt_TCPMSS.c (CVE-2017-18017, Moderate)

  - kernel: Race condition in     drivers/md/dm.c:dm_get_from_kobject() allows local users     to cause a denial of service (CVE-2017-18203, Moderate)

  - kernel: kvm: Reachable BUG() on out-of-bounds guest IRQ     (CVE-2017-1000252, Moderate)

  - Kernel: KVM: DoS via write flood to I/O port 0x80     (CVE-2017-1000407, Moderate)

  - kernel: Stack information leak in the EFS element     (CVE-2017-1000410, Moderate)

  - kernel: Kernel address information leak in     drivers/acpi/sbshc.c:acpi_smbus_hc_add() function     potentially allowing KASLR bypass (CVE-2018-5750,     Moderate)

  - kernel: Race condition in sound system can lead to     denial of service (CVE-2018-1000004, Moderate)

  - kernel: multiple Low security impact security issues     (CVE-2016-3672, CVE-2017-14140, CVE-2017-15116,     CVE-2017-15127, CVE-2018-6927, Low)

Additional Changes :

An update for kernel is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

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

Security Fix(es) :

* hw: cpu: speculative execution permission faults handling (CVE-2017-5754, Important, KVM for Power)

* kernel: Buffer overflow in firewire driver via crafted incoming packets (CVE-2016-8633, Important)

* kernel: Use-after-free vulnerability in DCCP socket (CVE-2017-8824, Important)

* Kernel: kvm: nVMX: L2 guest could access hardware(L0) CR8 register (CVE-2017-12154, Important)

* kernel: v4l2: disabled memory access protection mechanism allowing privilege escalation (CVE-2017-13166, Important)

* kernel: media: use-after-free in [tuner-xc2028] media driver (CVE-2016-7913, Moderate)

* kernel: drm/vmwgfx: fix integer overflow in vmw_surface_define_ioctl() (CVE-2017-7294, Moderate)

* kernel: Incorrect type conversion for size during dma allocation (CVE-2017-9725, Moderate)

* kernel: memory leak when merging buffers in SCSI IO vectors (CVE-2017-12190, Moderate)

* kernel: vfs: BUG in truncate_inode_pages_range() and fuse client (CVE-2017-15121, Moderate)

* kernel: Use-after-free in userfaultfd_event_wait_completion function in userfaultfd.c (CVE-2017-15126, Moderate)

* kernel: net: double-free and memory corruption in get_net_ns_by_id() (CVE-2017-15129, Moderate)

* kernel: Use-after-free in snd_seq_ioctl_create_port() (CVE-2017-15265, Moderate)

* kernel: Missing capabilities check in net/netfilter/nfnetlink_cthelper.c allows for unprivileged access to systemwide nfnl_cthelper_list structure (CVE-2017-17448, Moderate)

* kernel: Missing namespace check in net/netlink/af_netlink.c allows for network monitors to observe systemwide activity (CVE-2017-17449, Moderate)

* kernel: Unallocated memory access by malicious USB device via bNumInterfaces overflow (CVE-2017-17558, Moderate)

* kernel: netfilter: use-after-free in tcpmss_mangle_packet function in net/ netfilter/xt_TCPMSS.c (CVE-2017-18017, Moderate)

* kernel: Race condition in drivers/md/dm.c:dm_get_from_kobject() allows local users to cause a denial of service (CVE-2017-18203, Moderate)

* kernel: kvm: Reachable BUG() on out-of-bounds guest IRQ (CVE-2017-1000252, Moderate)

* Kernel: KVM: DoS via write flood to I/O port 0x80 (CVE-2017-1000407, Moderate)

* kernel: Stack information leak in the EFS element (CVE-2017-1000410, Moderate)

* kernel: Kernel address information leak in drivers/acpi/ sbshc.c:acpi_smbus_hc_add() function potentially allowing KASLR bypass (CVE-2018-5750, Moderate)

* kernel: Race condition in sound system can lead to denial of service (CVE-2018-1000004, Moderate)

* kernel: multiple Low security impact security issues (CVE-2016-3672, CVE-2017-14140, CVE-2017-15116, CVE-2017-15127, CVE-2018-6927, Low)

Red Hat would like to thank Eyal Itkin for reporting CVE-2016-8633;
Google Project Zero for reporting CVE-2017-5754; Mohamed Ghannam for reporting CVE-2017-8824; Jim Mattson (Google.com) for reporting CVE-2017-12154; Vitaly Mayatskih for reporting CVE-2017-12190; Andrea Arcangeli (Engineering) for reporting CVE-2017-15126; Kirill Tkhai for reporting CVE-2017-15129; Jan H. Schonherr (Amazon) for reporting CVE-2017-1000252; and Armis Labs for reporting CVE-2017-1000410. The CVE-2017-15121 issue was discovered by Miklos Szeredi (Red Hat) and the CVE-2017-15116 issue was discovered by ChunYu Wang (Red Hat).

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes :

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.5 Release Notes linked from the References section.

The remote Oracle Linux host is missing a security update for the Unbreakable Enterprise kernel package(s).

The SUSE Linux Enterprise 11 SP3 LTSS kernel was updated to receive various security and bugfixes. This update adds mitigations for various side channel attacks against modern CPUs that could disclose content of otherwise unreadable memory (bnc#1068032).

  - CVE-2017-5753: Local attackers on systems with modern     CPUs featuring deep instruction pipelining could use     attacker controllable speculative execution over code     patterns in the Linux Kernel to leak content from     otherwise not readable memory in the same address space,     allowing retrieval of passwords, cryptographic keys and     other secrets. This problem is mitigated by adding     speculative fencing on affected code paths throughout     the Linux kernel.

  - CVE-2017-5715: Local attackers on systems with modern     CPUs featuring branch prediction could use mispredicted     branches to speculatively execute code patterns that in     turn could be made to leak other non-readable content in     the same address space, an attack similar to     CVE-2017-5753. This problem is mitigated by disabling     predictive branches, depending on CPU architecture     either by firmware updates and/or fixes in the     user-kernel privilege boundaries. Please contact your     CPU / hardware vendor for potential microcode or BIOS     updates needed for this fix. As this feature can have a     performance impact, it can be disabled using the     'nospec' kernel commandline option.

  - CVE-2017-5754: Local attackers on systems with modern     CPUs featuring deep instruction pipelining could use     code patterns in userspace to speculative executive code     that would read otherwise read protected memory, an     attack similar to CVE-2017-5753. This problem is     mitigated by unmapping the Linux Kernel from the user     address space during user code execution, following a     approach called 'KAISER'. The terms used here are     'KAISER' / 'Kernel Address Isolation' and 'PTI' / 'Page     Table Isolation'. This feature is disabled on unaffected     architectures. This feature can be enabled / disabled by     the 'pti=[on|off|auto]' or 'nopti' commandline options.
    The following security bugs were fixed :

  - CVE-2017-1000251: The native Bluetooth stack in the     Linux Kernel (BlueZ) was vulnerable to a stack overflow     vulnerability in the processing of L2CAP configuration     responses resulting in Remote code execution in kernel     space (bnc#1057389).

  - CVE-2017-11600: net/xfrm/xfrm_policy.c in the Linux     kernel did not ensure that the dir value of     xfrm_userpolicy_id is XFRM_POLICY_MAX or less, which     allowed local users to cause a denial of service     (out-of-bounds access) or possibly have unspecified     other impact via an XFRM_MSG_MIGRATE xfrm Netlink     message (bnc#1050231).

  - CVE-2017-13080: Wi-Fi Protected Access (WPA and WPA2)     allowed reinstallation of the Group Temporal Key (GTK)     during the group key handshake, allowing an attacker     within radio range to replay frames from access points     to clients (bnc#1063667).

  - CVE-2017-13167: An elevation of privilege vulnerability     in the kernel sound timer was fixed. (bnc#1072876).

  - CVE-2017-14106: The tcp_disconnect function in     net/ipv4/tcp.c in the Linux kernel allowed local users     to cause a denial of service (__tcp_select_window     divide-by-zero error and system crash) by triggering a     disconnect within a certain tcp_recvmsg code path     (bnc#1056982).

  - CVE-2017-14140: The move_pages system call in     mm/migrate.c in the Linux kernel didn't check the     effective uid of the target process, enabling a local     attacker to learn the memory layout of a setuid     executable despite ASLR (bnc#1057179).

  - CVE-2017-14340: The XFS_IS_REALTIME_INODE macro in     fs/xfs/xfs_linux.h in the Linux kernel did not verify     that a filesystem has a realtime device, which allowed     local users to cause a denial of service (NULL pointer     dereference and OOPS) via vectors related to setting an     RHINHERIT flag on a directory (bnc#1058524).

  - CVE-2017-15102: The tower_probe function in     drivers/usb/misc/legousbtower.c in the Linux kernel     allowed local users (who are physically proximate for     inserting a crafted USB device) to gain privileges by     leveraging a write-what-where condition that occurs     after a race condition and a NULL pointer dereference     (bnc#1066705).

  - CVE-2017-15115: The sctp_do_peeloff function in     net/sctp/socket.c in the Linux kernel did not check     whether the intended netns is used in a peel-off action,     which allowed local users to cause a denial of service     (use-after-free and system crash) or possibly have     unspecified other impact via crafted system calls     (bnc#1068671).

  - CVE-2017-15265: Race condition in the ALSA subsystem in     the Linux kernel allowed local users to cause a denial     of service (use-after-free) or possibly have unspecified     other impact via crafted /dev/snd/seq ioctl calls,     related to sound/core/seq/seq_clientmgr.c and     sound/core/seq/seq_ports.c (bnc#1062520).

  - CVE-2017-15274: security/keys/keyctl.c in the Linux     kernel did not consider the case of a NULL payload in     conjunction with a nonzero length value, which allowed     local users to cause a denial of service (NULL pointer     dereference and OOPS) via a crafted add_key or keyctl     system call, a different vulnerability than     CVE-2017-12192 (bnc#1045327).

  - CVE-2017-15868: The bnep_add_connection function in     net/bluetooth/bnep/core.c in the Linux kernel did not     ensure that an l2cap socket is available, which allowed     local users to gain privileges via a crafted application     (bnc#1071470).

  - CVE-2017-16525: The usb_serial_console_disconnect     function in drivers/usb/serial/console.c in the Linux     kernel allowed local users to cause a denial of service     (use-after-free and system crash) or possibly have     unspecified other impact via a crafted USB device,     related to disconnection and failed setup (bnc#1066618).

  - CVE-2017-16527: sound/usb/mixer.c in the Linux kernel     allowed local users to cause a denial of service     (snd_usb_mixer_interrupt use-after-free and system     crash) or possibly have unspecified other impact via a     crafted USB device (bnc#1066625).

  - CVE-2017-16529: The snd_usb_create_streams function in     sound/usb/card.c in the Linux kernel allowed local users     to cause a denial of service (out-of-bounds read and     system crash) or possibly have unspecified other impact     via a crafted USB device (bnc#1066650).

  - CVE-2017-16531: drivers/usb/core/config.c in the Linux     kernel allowed local users to cause a denial of service     (out-of-bounds read and system crash) or possibly have     unspecified other impact via a crafted USB device,     related to the USB_DT_INTERFACE_ASSOCIATION descriptor     (bnc#1066671).

  - CVE-2017-16534: The cdc_parse_cdc_header function in     drivers/usb/core/message.c in the Linux kernel allowed     local users to cause a denial of service (out-of-bounds     read and system crash) or possibly have unspecified     other impact via a crafted USB device (bnc#1066693).

  - CVE-2017-16535: The usb_get_bos_descriptor function in     drivers/usb/core/config.c in the Linux kernel allowed     local users to cause a denial of service (out-of-bounds     read and system crash) or possibly have unspecified     other impact via a crafted USB device (bnc#1066700).

  - CVE-2017-16536: The cx231xx_usb_probe function in     drivers/media/usb/cx231xx/cx231xx-cards.c in the Linux     kernel allowed local users to cause a denial of service     (NULL pointer dereference and system crash) or possibly     have unspecified other impact via a crafted USB device     (bnc#1066606).

  - CVE-2017-16537: The imon_probe function in     drivers/media/rc/imon.c in the Linux kernel allowed     local users to cause a denial of service (NULL pointer     dereference and system crash) or possibly have     unspecified other impact via a crafted USB device     (bnc#1066573).

  - CVE-2017-16538: drivers/media/usb/dvb-usb-v2/lmedm04.c     in the Linux kernel allowed local users to cause a     denial of service (general protection fault and system     crash) or possibly have unspecified other impact via a     crafted USB device, related to a missing warm-start     check and incorrect attach timing     (dm04_lme2510_frontend_attach versus dm04_lme2510_tuner)     (bnc#1066569).

  - CVE-2017-16649: The usbnet_generic_cdc_bind function in     drivers/net/usb/cdc_ether.c in the Linux kernel allowed     local users to cause a denial of service (divide-by-zero     error and system crash) or possibly have unspecified     other impact via a crafted USB device (bnc#1067085).

  - CVE-2017-16939: The XFRM dump policy implementation in     net/xfrm/xfrm_user.c in the Linux kernel allowed local     users to gain privileges or cause a denial of service     (use-after-free) via a crafted SO_RCVBUF setsockopt     system call in conjunction with XFRM_MSG_GETPOLICY     Netlink messages (bnc#1069702 1069708).

  - CVE-2017-17450: net/netfilter/xt_osf.c in the Linux     kernel did not require the CAP_NET_ADMIN capability for     add_callback and remove_callback operations, which     allowed local users to bypass intended access     restrictions because the xt_osf_fingers data structure     is shared across all net namespaces (bnc#1071695     1074033).

  - CVE-2017-17558: The usb_destroy_configuration function     in drivers/usb/core/config.c in the USB core subsystem     in the Linux kernel did not consider the maximum number     of configurations and interfaces before attempting to     release resources, which allowed local users to cause a     denial of service (out-of-bounds write access) or     possibly have unspecified other impact via a crafted USB     device (bnc#1072561).

  - CVE-2017-17805: The Salsa20 encryption algorithm in the     Linux kernel did not correctly handle zero-length     inputs, allowing a local attacker able to use the     AF_ALG-based skcipher interface     (CONFIG_CRYPTO_USER_API_SKCIPHER) to cause a denial of     service (uninitialized-memory free and kernel crash) or     have unspecified other impact by executing a crafted     sequence of system calls that use the blkcipher_walk     API. Both the generic implementation     (crypto/salsa20_generic.c) and x86 implementation     (arch/x86/crypto/salsa20_glue.c) of Salsa20 were     vulnerable (bnc#1073792).

  - CVE-2017-17806: The HMAC implementation (crypto/hmac.c)     in the Linux kernel did not validate that the underlying     cryptographic hash algorithm is unkeyed, allowing a     local attacker able to use the AF_ALG-based hash     interface (CONFIG_CRYPTO_USER_API_HASH) and the SHA-3     hash algorithm (CONFIG_CRYPTO_SHA3) to cause a kernel     stack-based buffer overflow by executing a crafted     sequence of system calls that encounter a missing SHA-3     initialization (bnc#1073874).

  - CVE-2017-7472: The KEYS subsystem in the Linux kernel     allowed local users to cause a denial of service (memory     consumption) via a series of     KEY_REQKEY_DEFL_THREAD_KEYRING keyctl_set_reqkey_keyring     calls (bnc#1034862).

  - CVE-2017-8824: The dccp_disconnect function in     net/dccp/proto.c in the Linux kernel allowed local users     to gain privileges or cause a denial of service     (use-after-free) via an AF_UNSPEC connect system call     during the DCCP_LISTEN state (bnc#1070771).

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.

An update for kernel-rt is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es) :

* kernel: Buffer overflow in firewire driver via crafted incoming packets (CVE-2016-8633, Important)

* kernel: Use-after-free vulnerability in DCCP socket (CVE-2017-8824, Important)

* Kernel: kvm: nVMX: L2 guest could access hardware(L0) CR8 register (CVE-2017-12154, Important)

* kernel: v4l2: disabled memory access protection mechanism allowing privilege escalation (CVE-2017-13166, Important)

* kernel: media: use-after-free in [tuner-xc2028] media driver (CVE-2016-7913, Moderate)

* kernel: drm/vmwgfx: fix integer overflow in vmw_surface_define_ioctl() (CVE-2017-7294, Moderate)

* kernel: Incorrect type conversion for size during dma allocation (CVE-2017-9725, Moderate)

* kernel: memory leak when merging buffers in SCSI IO vectors (CVE-2017-12190, Moderate)

* kernel: vfs: BUG in truncate_inode_pages_range() and fuse client (CVE-2017-15121, Moderate)

* kernel: Use-after-free in userfaultfd_event_wait_completion function in userfaultfd.c (CVE-2017-15126, Moderate)

* kernel: net: double-free and memory corruption in get_net_ns_by_id() (CVE-2017-15129, Moderate)

* kernel: Use-after-free in snd_seq_ioctl_create_port() (CVE-2017-15265, Moderate)

* kernel: Incorrect handling in arch/x86/include/asm/ mmu_context.h:init_new_context function allowing use-after-free (CVE-2017-17053, Moderate)

* kernel: Missing capabilities check in net/netfilter/nfnetlink_cthelper.c allows for unprivileged access to systemwide nfnl_cthelper_list structure (CVE-2017-17448, Moderate)

* kernel: Missing namespace check in net/netlink/af_netlink.c allows for network monitors to observe systemwide activity (CVE-2017-17449, Moderate)

* kernel: Unallocated memory access by malicious USB device via bNumInterfaces overflow (CVE-2017-17558, Moderate)

* kernel: netfilter: use-after-free in tcpmss_mangle_packet function in net/ netfilter/xt_TCPMSS.c (CVE-2017-18017, Moderate)

* kernel: Race condition in drivers/md/dm.c:dm_get_from_kobject() allows local users to cause a denial of service (CVE-2017-18203, Moderate)

* kernel: kvm: Reachable BUG() on out-of-bounds guest IRQ (CVE-2017-1000252, Moderate)

* Kernel: KVM: DoS via write flood to I/O port 0x80 (CVE-2017-1000407, Moderate)

* kernel: Stack information leak in the EFS element (CVE-2017-1000410, Moderate)

* kernel: Kernel address information leak in drivers/acpi/ sbshc.c:acpi_smbus_hc_add() function potentially allowing KASLR bypass (CVE-2018-5750, Moderate)

* kernel: Race condition in sound system can lead to denial of service (CVE-2018-1000004, Moderate)

* kernel: unlimiting the stack disables ASLR (CVE-2016-3672, Low)

* kernel: Missing permission check in move_pages system call (CVE-2017-14140, Low)

* kernel: NULL pointer dereference in rngapi_reset function (CVE-2017-15116, Low)

* kernel: Improper error handling of VM_SHARED hugetlbfs mapping in mm/ hugetlb.c (CVE-2017-15127, Low)

* kernel: Integer overflow in futex.c:futux_requeue can lead to denial of service or unspecified impact (CVE-2018-6927, Low)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank Eyal Itkin for reporting CVE-2016-8633;
Mohamed Ghannam for reporting CVE-2017-8824; Jim Mattson (Google.com) for reporting CVE-2017-12154; Vitaly Mayatskih for reporting CVE-2017-12190; Andrea Arcangeli (Engineering) for reporting CVE-2017-15126; Kirill Tkhai for reporting CVE-2017-15129; Jan H.
Schonherr (Amazon) for reporting CVE-2017-1000252; and Armis Labs for reporting CVE-2017-1000410. The CVE-2017-15121 issue was discovered by Miklos Szeredi (Red Hat) and the CVE-2017-15116 issue was discovered by ChunYu Wang (Red Hat).

Additional Changes :

See the Red Hat Enterprise Linux 7.5 Release Notes linked from References.

From Red Hat Security Advisory 2018:1062 :

An update for kernel is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

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

Security Fix(es) :

* hw: cpu: speculative execution permission faults handling (CVE-2017-5754, Important, KVM for Power)

* kernel: Buffer overflow in firewire driver via crafted incoming packets (CVE-2016-8633, Important)

* kernel: Use-after-free vulnerability in DCCP socket (CVE-2017-8824, Important)

* Kernel: kvm: nVMX: L2 guest could access hardware(L0) CR8 register (CVE-2017-12154, Important)

* kernel: v4l2: disabled memory access protection mechanism allowing privilege escalation (CVE-2017-13166, Important)

* kernel: media: use-after-free in [tuner-xc2028] media driver (CVE-2016-7913, Moderate)

* kernel: drm/vmwgfx: fix integer overflow in vmw_surface_define_ioctl() (CVE-2017-7294, Moderate)

* kernel: Incorrect type conversion for size during dma allocation (CVE-2017-9725, Moderate)

* kernel: memory leak when merging buffers in SCSI IO vectors (CVE-2017-12190, Moderate)

* kernel: vfs: BUG in truncate_inode_pages_range() and fuse client (CVE-2017-15121, Moderate)

* kernel: Use-after-free in userfaultfd_event_wait_completion function in userfaultfd.c (CVE-2017-15126, Moderate)

* kernel: net: double-free and memory corruption in get_net_ns_by_id() (CVE-2017-15129, Moderate)

* kernel: Use-after-free in snd_seq_ioctl_create_port() (CVE-2017-15265, Moderate)

* kernel: Missing capabilities check in net/netfilter/nfnetlink_cthelper.c allows for unprivileged access to systemwide nfnl_cthelper_list structure (CVE-2017-17448, Moderate)

* kernel: Missing namespace check in net/netlink/af_netlink.c allows for network monitors to observe systemwide activity (CVE-2017-17449, Moderate)

* kernel: Unallocated memory access by malicious USB device via bNumInterfaces overflow (CVE-2017-17558, Moderate)

* kernel: netfilter: use-after-free in tcpmss_mangle_packet function in net/ netfilter/xt_TCPMSS.c (CVE-2017-18017, Moderate)

* kernel: Race condition in drivers/md/dm.c:dm_get_from_kobject() allows local users to cause a denial of service (CVE-2017-18203, Moderate)

* kernel: kvm: Reachable BUG() on out-of-bounds guest IRQ (CVE-2017-1000252, Moderate)

* Kernel: KVM: DoS via write flood to I/O port 0x80 (CVE-2017-1000407, Moderate)

* kernel: Stack information leak in the EFS element (CVE-2017-1000410, Moderate)

* kernel: Kernel address information leak in drivers/acpi/ sbshc.c:acpi_smbus_hc_add() function potentially allowing KASLR bypass (CVE-2018-5750, Moderate)

* kernel: Race condition in sound system can lead to denial of service (CVE-2018-1000004, Moderate)

* kernel: multiple Low security impact security issues (CVE-2016-3672, CVE-2017-14140, CVE-2017-15116, CVE-2017-15127, CVE-2018-6927, Low)

Red Hat would like to thank Eyal Itkin for reporting CVE-2016-8633;
Google Project Zero for reporting CVE-2017-5754; Mohamed Ghannam for reporting CVE-2017-8824; Jim Mattson (Google.com) for reporting CVE-2017-12154; Vitaly Mayatskih for reporting CVE-2017-12190; Andrea Arcangeli (Engineering) for reporting CVE-2017-15126; Kirill Tkhai for reporting CVE-2017-15129; Jan H. Schonherr (Amazon) for reporting CVE-2017-1000252; and Armis Labs for reporting CVE-2017-1000410. The CVE-2017-15121 issue was discovered by Miklos Szeredi (Red Hat) and the CVE-2017-15116 issue was discovered by ChunYu Wang (Red Hat).

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes :

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.5 Release Notes linked from the References section.

The remote OracleVM system is missing necessary patches to address critical security updates : please see Oracle VM Security Advisory OVMSA-2018-0035 for details.

ID	Name	Product	Family	Published	Updated	Severity
124827	EulerOS Virtualization 3.0.1.0 : kernel (EulerOS-SA-2019-1504)	Nessus	Huawei Local Security Checks	2019/05/13	2019/06/27	critical
105116	Debian DLA-1200-1 : linux security update (KRACK)	Nessus	Debian Local Security Checks	2017/12/11	2020/03/12	high
107003	Ubuntu 14.04 LTS : linux vulnerabilities (USN-3583-1) (Meltdown)	Nessus	Ubuntu Local Security Checks	2018/02/26	2020/01/23	critical
110998	Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2018-4164)	Nessus	Oracle Linux Local Security Checks	2018/07/11	2019/09/27	high
109449	Scientific Linux Security Update : kernel on SL7.x x86_64 (20180410) (Meltdown)	Nessus	Scientific Linux Local Security Checks	2018/05/01	2020/02/24	critical
109380	CentOS 7 : kernel (CESA-2018:1062)	Nessus	CentOS Local Security Checks	2018/04/27	2019/12/31	critical
109829	Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2018-4109) (Meltdown) (Spectre)	Nessus	Oracle Linux Local Security Checks	2018/05/16	2019/09/27	high
108997	RHEL 7 : kernel (RHSA-2018:1062)	Nessus	Red Hat Local Security Checks	2018/04/11	2019/10/24	critical
105685	SUSE SLES11 Security Update : kernel (SUSE-SU-2018:0040-1) (BlueBorne) (KRACK) (Meltdown) (Spectre)	Nessus	SuSE Local Security Checks	2018/01/09	2020/09/22	high
108984	RHEL 7 : kernel-rt (RHSA-2018:0676)	Nessus	Red Hat Local Security Checks	2018/04/11	2019/10/24	critical
109113	Oracle Linux 7 : kernel (ELSA-2018-1062)	Nessus	Oracle Linux Local Security Checks	2018/04/18	2019/09/27	critical
109881	Oracle Linux 6 : Unbreakable Enterprise kernel (ELSA-2018-4110) (Meltdown) (Spectre)	Nessus	Oracle Linux Local Security Checks	2018/05/17	2019/09/27	high
109156	Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2018-4071) (Dirty COW) (Meltdown) (Spectre)	Nessus	Oracle Linux Local Security Checks	2018/04/19	2019/09/27	high
109158	OracleVM 3.4 : Unbreakable / etc (OVMSA-2018-0035) (Dirty COW) (Meltdown) (Spectre)	Nessus	OracleVM Local Security Checks	2018/04/19	2019/09/27	high

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