Security update for the Linux Kernel (Live Patch 13 for SLE 15 SP2)

SUSE Security Update: Security update for the Linux Kernel (Live Patch 13 for SLE 15 SP2)
Announcement ID: SUSE-SU-2021:2384-1
Rating: important
References: #1185901
Cross-References:CVE-2021-23133
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 5.3.18-24_64 fixes one issue.
The following security issue was fixed:

  • CVE-2021-23133: Fixed a race condition in the SCTP sockets that can lead to kernel privilege escalation from the context of a network service or an unprivileged process. (bsc#1185901)

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-SP3-2021-2384=1
  • SUSE Linux Enterprise Module for Live Patching 15-SP2:
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2021-2378=1

Package List:

  • SUSE Linux Enterprise Module for Live Patching 15-SP3 (ppc64le s390x x86_64):
    • kernel-livepatch-5_3_18-57-default-3-3.1
    • kernel-livepatch-5_3_18-57-default-debuginfo-3-3.1
    • kernel-livepatch-SLE15-SP3_Update_0-debugsource-3-3.1
  • SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le s390x x86_64):
    • kernel-livepatch-5_3_18-24_64-default-3-2.1
    • kernel-livepatch-5_3_18-24_64-default-debuginfo-3-2.1
    • kernel-livepatch-SLE15-SP2_Update_13-debugsource-3-2.1

References: