Security update for the Linux Kernel (Live Patch 23 for SLE 12 SP3)

SUSE Security Update: Security update for the Linux Kernel (Live Patch 23 for SLE 12 SP3)
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

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: