Security update for the Linux Kernel (Live Patch 7 for SLE 15 SP3)

SUSE Security Update: Security update for the Linux Kernel (Live Patch 7 for SLE 15 SP3)
Announcement ID: SUSE-SU-2021:3743-1
Rating: important
References: #1191318
Cross-References:CVE-2021-41864
Affected Products:
  • SUSE Linux Enterprise Module for Live Patching 15-SP3
  • SUSE Linux Enterprise Module for Live Patching 15-SP2

An update that fixes one vulnerability is now available.

Description:

This update for the Linux Kernel 5.3.18-59_27 fixes one issue.
The following security issue was fixed:

  • CVE-2021-41864: Fixed an integer overflow with a resultant out-of-bounds write in prealloc_elems_and_freelist in kernel/bpf/stackmap.c (bsc#1191318).

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-SP3:
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2021-3743=1
  • SUSE Linux Enterprise Module for Live Patching 15-SP2:
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2021-3744=1

Package List:

  • SUSE Linux Enterprise Module for Live Patching 15-SP3 (ppc64le s390x x86_64):
    • kernel-livepatch-5_3_18-59_27-default-2-2.2
  • SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le s390x x86_64):
    • kernel-livepatch-5_3_18-24_86-default-2-2.3
    • kernel-livepatch-5_3_18-24_86-default-debuginfo-2-2.3
    • kernel-livepatch-SLE15-SP2_Update_20-debugsource-2-2.3

References: