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:

   https://www.suse.com/security/cve/CVE-2018-17182.html
   https://bugzilla.suse.com/1108399

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