Security update for the Linux Kernel (Live Patch 23 for SLE 15 SP4)

Announcement ID: SUSE-SU-2024:1280-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2023-52340 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • openSUSE Leap 15.4
  • SUSE Linux Enterprise High Performance Computing 15 SP4
  • SUSE Linux Enterprise Live Patching 15-SP4
  • SUSE Linux Enterprise Micro 5.3
  • SUSE Linux Enterprise Micro 5.4
  • SUSE Linux Enterprise Real Time 15 SP4
  • SUSE Linux Enterprise Server 15 SP4
  • SUSE Linux Enterprise Server for SAP Applications 15 SP4

An update that solves one vulnerability can now be installed.

Description:

This update for the Linux Kernel 5.14.21-150400_24_108 fixes one issue.

The following security issue was fixed:

  • CVE-2023-52340: Fixed ICMPv6 “Packet Too Big” packets force a DoS of the Linux kernel by forcing 100% CPU (bsc#1219296).

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • openSUSE Leap 15.4
    zypper in -t patch SUSE-2024-1280=1
  • SUSE Linux Enterprise Live Patching 15-SP4
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2024-1280=1

Package List:

  • openSUSE Leap 15.4 (ppc64le s390x x86_64)
    • kernel-livepatch-5_14_21-150400_24_108-default-2-150400.9.8.1
    • kernel-livepatch-5_14_21-150400_24_108-default-debuginfo-2-150400.9.8.1
    • kernel-livepatch-SLE15-SP4_Update_23-debugsource-2-150400.9.8.1
  • SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
    • kernel-livepatch-5_14_21-150400_24_108-default-2-150400.9.8.1
    • kernel-livepatch-5_14_21-150400_24_108-default-debuginfo-2-150400.9.8.1
    • kernel-livepatch-SLE15-SP4_Update_23-debugsource-2-150400.9.8.1

References: