Security update for the Linux Kernel (Live Patch 27 for SLE 15 SP1)

SUSE Security Update: Security update for the Linux Kernel (Live Patch 27 for SLE 15 SP1)
Announcement ID: SUSE-SU-2021:4039-1
Rating: important
References: #1192042
Cross-References:CVE-2021-0935
Affected Products:
  • SUSE Linux Enterprise Module for Live Patching 15-SP1
  • SUSE Linux Enterprise Live Patching 12-SP5

An update that fixes one vulnerability is now available.

Description:

This update for the Linux Kernel 4.12.14-197_102 fixes one issue.
The following security issue was fixed:

  • CVE-2021-0935: In ip6_xmit of ip6_output.c, there is a possible out of bounds write due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. (bsc#1192032)

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 Module for Live Patching 15-SP1:
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2021-4039=1
  • SUSE Linux Enterprise Live Patching 12-SP5:
    zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2021-4020=1

Package List:

  • SUSE Linux Enterprise Module for Live Patching 15-SP1 (ppc64le x86_64):
    • kernel-livepatch-4_12_14-197_102-default-2-2.1
  • SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64):
    • kgraft-patch-4_12_14-122_103-default-2-2.1

References: