SUSE-SU-2019:0761-1: important: Security update for the Linux Kernel (Live Patch 23 for SLE 12 SP3)

[sle-security-updates at lists.suse.com]

   SUSE Security Update: Security update for the Linux Kernel (Live Patch 23 for SLE 12 SP3)
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Announcement ID:    SUSE-SU-2019:0761-1
Rating:             important
References:         #1128378 
Cross-References:   CVE-2019-9213
Affected Products:
                    SUSE Linux Enterprise Live Patching 12-SP3
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   An update that fixes one vulnerability is now available.

Description:

   This update for the Linux Kernel 4.4.175-94_79 fixes one issue.

   The following security issue was fixed:

   - CVE-2019-9213: Expand_downwards in mm/mmap.c lacked a check for the mmap
     minimum address, which made it easier for attackers to exploit kernel
     NULL pointer dereferences on non-SMAP platforms. This is related to a
     capability check for the wrong task (bsc#1128378).


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 Live Patching 12-SP3:

      zypper in -t patch SUSE-SLE-Live-Patching-12-SP3-2019-761=1



Package List:

   - SUSE Linux Enterprise Live Patching 12-SP3 (ppc64le x86_64):

      kgraft-patch-4_4_175-94_79-default-2-2.1
      kgraft-patch-4_4_175-94_79-default-debuginfo-2-2.1


References:

   https://www.suse.com/security/cve/CVE-2019-9213.html
   https://bugzilla.suse.com/1128378