Security update for the Linux Kernel

SUSE Security Update: Security update for the Linux Kernel
Announcement ID: SUSE-SU-2018:3032-2
Rating: important
References: #1108399
Cross-References: CVE-2018-17182
Affected Products:
  • SUSE Linux Enterprise Server for SAP 12-SP1

An update that fixes one vulnerability is now available.

Description:


The SUSE Linux Enterprise 12 SP1 LTSS kernel was updated to receive a security fix.
The following security bug was fixed:

  • CVE-2018-17182: The vmacache_flush_all function in mm/vmacache.c mishandled sequence number overflows. An attacker can trigger a use-after-free (and possibly gain privileges) via certain thread creation, map, unmap, invalidation, and dereference operations (bnc#1108399).

Special Instructions and Notes:

Please reboot the system after installing this update.

Patch Instructions:

To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • SUSE Linux Enterprise Server for SAP 12-SP1:
    zypper in -t patch SUSE-SLE-SAP-12-SP1-2019-526=1

Package List:

  • SUSE Linux Enterprise Server for SAP 12-SP1 (x86_64):
    • kernel-default-3.12.74-60.64.107.1
    • kernel-default-base-3.12.74-60.64.107.1
    • kernel-default-base-debuginfo-3.12.74-60.64.107.1
    • kernel-default-debuginfo-3.12.74-60.64.107.1
    • kernel-default-debugsource-3.12.74-60.64.107.1
    • kernel-default-devel-3.12.74-60.64.107.1
    • kernel-syms-3.12.74-60.64.107.1
    • kernel-xen-3.12.74-60.64.107.1
    • kernel-xen-base-3.12.74-60.64.107.1
    • kernel-xen-base-debuginfo-3.12.74-60.64.107.1
    • kernel-xen-debuginfo-3.12.74-60.64.107.1
    • kernel-xen-debugsource-3.12.74-60.64.107.1
    • kernel-xen-devel-3.12.74-60.64.107.1
    • kgraft-patch-3_12_74-60_64_107-default-1-2.3.1
    • kgraft-patch-3_12_74-60_64_107-xen-1-2.3.1
  • SUSE Linux Enterprise Server for SAP 12-SP1 (noarch):
    • kernel-devel-3.12.74-60.64.107.1
    • kernel-macros-3.12.74-60.64.107.1
    • kernel-source-3.12.74-60.64.107.1

References: