The SUSE Linux Enterprise 12 SP2 LTSS kernel was updated to receive various security and bugfixes.

The following security bugs were fixed :

CVE-2018-3620: Local attackers on baremetal systems could use speculative code patterns on hyperthreaded processors to read data present in the L1 Datacache used by other hyperthreads on the same CPU core, potentially leaking sensitive data. (bnc#1087081).

CVE-2018-3646: Local attackers in virtualized guest systems could use speculative code patterns on hyperthreaded processors to read data present in the L1 Datacache used by other hyperthreads on the same CPU core, potentially leaking sensitive data, even from other virtual machines or the host system. (bnc#1089343).

CVE-2018-5390 aka 'SegmentSmack': The Linux Kernel can be forced to make very expensive calls to tcp_collapse_ofo_queue() and tcp_prune_ofo_queue() for every incoming packet which can lead to a denial of service (bnc#1102340).

CVE-2018-5391 aka 'FragmentSmack': A flaw in the IP packet reassembly could be used by remote attackers to consume lots of CPU time (bnc#1103097).

CVE-2018-14734: drivers/infiniband/core/ucma.c allowed ucma_leave_multicast to access a certain data structure after a cleanup step in ucma_process_join, which allowed attackers to cause a denial of service (use-after-free) (bnc#1103119).

CVE-2017-18344: The timer_create syscall implementation in kernel/time/posix-timers.c didn't properly validate the sigevent->sigev_notify field, which leads to out-of-bounds access in the show_timer function (called when /proc/$PID/timers is read). This allowed userspace applications to read arbitrary kernel memory (on a kernel built with CONFIG_POSIX_TIMERS and CONFIG_CHECKPOINT_RESTORE) (bnc#1102851 bnc#1103580).

CVE-2018-9385: When printing the 'driver_override' option from with-in the amba driver, a very long line could expose one additional uninitialized byte (bnc#1100491).

CVE-2018-13053: The alarm_timer_nsleep function in kernel/time/alarmtimer.c had an integer overflow via a large relative timeout because ktime_add_safe is not used (bnc#1099924).

CVE-2018-13405: The inode_init_owner function in fs/inode.c allowed local users to create files with an unintended group ownership, in a scenario where a directory is SGID to a certain group and is writable by a user who is not a member of that group. Here, the non-member can trigger creation of a plain file whose group ownership is that group.
The intended behavior was that the non-member can trigger creation of a directory (but not a plain file) whose group ownership is that group. The non-member can escalate privileges by making the plain file executable and SGID (bnc#1100416).

CVE-2018-13406: An integer overflow in the uvesafb_setcmap function in drivers/video/fbdev/uvesafb.c could result in local attackers being able to crash the kernel or potentially elevate privileges because kmalloc_array is not used (bnc#1098016 1100418).

CVE-2018-5814: Multiple race condition errors when handling probe, disconnect, and rebind operations could be exploited to trigger a use-after-free condition or a NULL pointer dereference by sending multiple USB over IP packets (bnc#1096480).

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 15 kernel was updated to receive various security and bugfixes. The following new feature was added :

  - NVDIMM memory error notification (ACPI 6.2) The     following security bugs were fixed :

  - CVE-2018-13406: An integer overflow in the     uvesafb_setcmap function could have result in local     attackers being able to crash the kernel or potentially     elevate privileges because kmalloc_array is not used     (bnc#1100418)

  - CVE-2018-13053: The alarm_timer_nsleep function had an     integer overflow via a large relative timeout because     ktime_add_safe was not used (bnc#1099924)

  - CVE-2018-9385: Prevent overread of the 'driver_override'     buffer (bsc#1100491)

  - CVE-2018-13405: The inode_init_owner function allowed     local users to create files with an unintended group     ownership allowing attackers to escalate privileges by     making a plain file executable and SGID (bnc#1100416)

  - CVE-2017-5753: Systems with microprocessors utilizing     speculative execution and branch prediction may have     allowed unauthorized disclosure of information to an     attacker with local user access via a side-channel     analysis (bsc#1068032)

  - CVE-2018-1118: Linux kernel vhost did not properly     initialize memory in messages passed between virtual     guests and the host operating system. This could have     allowed local privileged users to read some kernel     memory contents when reading from the /dev/vhost-net     device file (bsc#1092472)

  - CVE-2018-12233: A memory corruption bug in JFS could     have been triggered by calling setxattr twice with two     different extended attribute names on the same file.
    This vulnerability could be triggered by an unprivileged     user with the ability to create files and execute     programs (bsc#1097234)

  - CVE-2018-5848: In the function wmi_set_ie(), the length     validation code did not handle unsigned integer overflow     properly. As a result, a large value of the 'ie_len'     argument could have caused a buffer overflow     (bnc#1097356)

  - CVE-2018-1000204: Prevent infoleak caused by incorrect     handling of the SG_IO ioctl (bsc#1096728)

  - CVE-2018-3639: Systems with microprocessors utilizing     speculative execution and speculative execution of     memory reads the addresses of all prior memory writes     are known may have allowed unauthorized disclosure of     information to an attacker with local user access via a     side-channel analysis, aka Speculative Store Bypass     (SSB), Variant 4 (bsc#1087082)

  - CVE-2018-1120: By mmap()ing a FUSE-backed file onto a     process's memory containing command line arguments (or     environment strings), an attacker could have caused     utilities from psutils or procps (such as ps, w) to     block indefinitely (denial of service) or for some     controlled time (as a synchronization primitive for     other attacks) (bsc#1093158)

  - CVE-2018-1094: The ext4_fill_super function did not     always initialize the crc32c checksum driver, which     allowed attackers to cause a denial of service     (ext4_xattr_inode_hash NULL pointer dereference and     system crash) via a crafted ext4 image (bsc#1087007)

  - CVE-2018-1092: The ext4_iget function mishandled the     case of a root directory with a zero i_links_count,     which allowed attackers to cause a denial of service     (ext4_process_freed_data NULL pointer dereference and     OOPS) via a crafted ext4 image (bsc#1087012)

  - 1093: The ext4_valid_block_bitmap function allowed     attackers to cause a denial of service (out-of-bounds     read and system crash) via a crafted ext4 image because     balloc.c and ialloc.c do not validate bitmap block     numbers (bsc#1087095)

  - CVE-2018-1000200: Prevent NULL pointer dereference which     could have resulted in an out of memory (OOM) killing of     large mlocked processes (bsc#1090150)

  - CVE-2018-1130: NULL pointer dereference in     dccp_write_xmit() function that allowed a local user to     cause a denial of service by a number of certain crafted     system calls (bsc#1092904)

  - CVE-2018-5803: Prevent error in the '_sctp_make_chunk()'     function when handling SCTP packets length that could     have been exploited to cause a kernel crash     (bnc#1083900)

  - CVE-2018-7492: Prevent NULL pointer dereference in the     net/rds/rdma.c __rds_rdma_map() function that allowed     local attackers to cause a system panic and a     denial-of-service, related to RDS_GET_MR and     RDS_GET_MR_FOR_DEST (bsc#1082962)

  - CVE-2018-8781: The udl_fb_mmap function had an     integer-overflow vulnerability allowing local users with     access to the udldrmfb driver to obtain full read and     write permissions on kernel physical pages, resulting in     a code execution in kernel space (bsc#1090643)

  - CVE-2018-10124: The kill_something_info function in     kernel/signal.c might have allowed local users to cause     a denial of service via an INT_MIN argument     (bnc#1089752)

  - CVE-2018-10087: The kernel_wait4 function in     kernel/exit.c might have allowed local users to cause a     denial of service by triggering an attempted use of the

-INT_MIN value (bnc#1089608)

  - CVE-2017-5715: Prevent unauthorized disclosure of     information to an attacker with local user access caused     by speculative execution and indirect branch prediction     (bsc#1068032)

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 SP3 kernel was updated to 4.4.140 to receive various security and bugfixes. The following security bugs were fixed :

  - CVE-2018-13053: The alarm_timer_nsleep function had an     integer overflow via a large relative timeout because     ktime_add_safe was not used (bnc#1099924)

  - CVE-2018-9385: Prevent overread of the 'driver_override'     buffer (bsc#1100491)

  - CVE-2018-13405: The inode_init_owner function allowed     local users to create files with an unintended group     ownership allowing attackers to escalate privileges by     making a plain file executable and SGID (bnc#1100416)

  - CVE-2018-13406: An integer overflow in the     uvesafb_setcmap function could have result in local     attackers being able to crash the kernel or potentially     elevate privileges because kmalloc_array is not used     (bnc#1100418)

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 SP2 LTSS kernel was updated to receive various security and bugfixes. The following security bugs were fixed :

  - CVE-2018-3620: Local attackers on baremetal systems     could use speculative code patterns on hyperthreaded     processors to read data present in the L1 Datacache used     by other hyperthreads on the same CPU core, potentially     leaking sensitive data. (bnc#1087081).

  - CVE-2018-3646: Local attackers in virtualized guest     systems could use speculative code patterns on     hyperthreaded processors to read data present in the L1     Datacache used by other hyperthreads on the same CPU     core, potentially leaking sensitive data, even from     other virtual machines or the host system.
    (bnc#1089343).

  - CVE-2018-5390 aka 'SegmentSmack': The Linux Kernel can     be forced to make very expensive calls to     tcp_collapse_ofo_queue() and tcp_prune_ofo_queue() for     every incoming packet which can lead to a denial of     service (bnc#1102340).

  - CVE-2018-5391 aka 'FragmentSmack': A flaw in the IP     packet reassembly could be used by remote attackers to     consume lots of CPU time (bnc#1103097).

  - CVE-2018-14734: drivers/infiniband/core/ucma.c allowed     ucma_leave_multicast to access a certain data structure     after a cleanup step in ucma_process_join, which allowed     attackers to cause a denial of service (use-after-free)     (bnc#1103119).

  - CVE-2017-18344: The timer_create syscall implementation     in kernel/time/posix-timers.c didn't properly validate     the sigevent->sigev_notify field, which leads to     out-of-bounds access in the show_timer function (called     when /proc/$PID/timers is read). This allowed userspace     applications to read arbitrary kernel memory (on a     kernel built with CONFIG_POSIX_TIMERS and     CONFIG_CHECKPOINT_RESTORE) (bnc#1102851 bnc#1103580).

  - CVE-2018-9385: When printing the 'driver_override'     option from with-in the amba driver, a very long line     could expose one additional uninitialized byte     (bnc#1100491).

  - CVE-2018-13053: The alarm_timer_nsleep function in     kernel/time/alarmtimer.c had an integer overflow via a     large relative timeout because ktime_add_safe is not     used (bnc#1099924).

  - CVE-2018-13405: The inode_init_owner function in     fs/inode.c allowed local users to create files with an     unintended group ownership, in a scenario where a     directory is SGID to a certain group and is writable by     a user who is not a member of that group. Here, the     non-member can trigger creation of a plain file whose     group ownership is that group. The intended behavior was     that the non-member can trigger creation of a directory     (but not a plain file) whose group ownership is that     group. The non-member can escalate privileges by making     the plain file executable and SGID (bnc#1100416).

  - CVE-2018-13406: An integer overflow in the     uvesafb_setcmap function in     drivers/video/fbdev/uvesafb.c could result in local     attackers being able to crash the kernel or potentially     elevate privileges because kmalloc_array is not used     (bnc#1098016 1100418).

  - CVE-2018-5814: Multiple race condition errors when     handling probe, disconnect, and rebind operations could     be exploited to trigger a use-after-free condition or a     NULL pointer dereference by sending multiple USB over IP     packets (bnc#1096480).

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 Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - In driver_override_store of bus.c, there is a possible out of bounds write due to an incorrect bounds     check. This could lead to local escalation of privilege with System execution privileges needed. User     interaction is not needed for exploitation. Product: Android Versions: Android kernel Android ID:
    A-74128061 References: Upstream kernel. (CVE-2018-9385)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Published	Updated	Severity
118283	SUSE SLES12 Security Update : kernel (SUSE-SU-2018:2344-2) (Foreshadow)	Nessus	SuSE Local Security Checks	10/22/2018	7/30/2024	high
120067	SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2018:2092-1) (Spectre)	Nessus	SuSE Local Security Checks	1/2/2019	7/11/2024	high
111329	SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2018:2051-1)	Nessus	SuSE Local Security Checks	7/25/2018	9/3/2024	high
111815	SUSE SLES12 Security Update : kernel (SUSE-SU-2018:2344-1) (Foreshadow)	Nessus	SuSE Local Security Checks	8/17/2018	8/19/2024	high
111414	openSUSE Security Update : the Linux Kernel (openSUSE-2018-762) (Spectre)	Nessus	SuSE Local Security Checks	7/30/2018	9/2/2024	high
221839	Linux Distros Unpatched Vulnerability : CVE-2018-9385	Nessus	Misc.	3/4/2025	8/5/2025	high
111416	openSUSE Security Update : the Linux Kernel (openSUSE-2018-764)	Nessus	SuSE Local Security Checks	7/30/2018	9/2/2024	high
123226	openSUSE Security Update : the Linux Kernel (openSUSE-2019-536) (Spectre)	Nessus	SuSE Local Security Checks	3/27/2019	6/11/2024	high

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