Security update for the Linux Kernel (Live Patch 41 for SLE 15 SP3)

Announcement ID:	SUSE-SU-2024:1054-1
Rating:	important
References:	bsc#1218487
Cross-References:	CVE-2023-6531
CVSS scores:	CVE-2023-6531 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2023-6531 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:	openSUSE Leap 15.3 SUSE Linux Enterprise High Performance Computing 15 SP2 SUSE Linux Enterprise High Performance Computing 15 SP3 SUSE Linux Enterprise Live Patching 15-SP2 SUSE Linux Enterprise Live Patching 15-SP3 SUSE Linux Enterprise Micro 5.1 SUSE Linux Enterprise Micro 5.2 SUSE Linux Enterprise Server 15 SP2 SUSE Linux Enterprise Server 15 SP3 SUSE Linux Enterprise Server for SAP Applications 15 SP2 SUSE Linux Enterprise Server for SAP Applications 15 SP3

An update that solves one vulnerability can now be installed.

Description:

This update for the Linux Kernel 5.3.18-150300_59_150 fixes one issue.

The following security issue was fixed:

• CVE-2023-6531: Fixed a use-after-free flaw due to a race problem in the unix garbage collector's deletion of SKB races with unix_stream_read_generic()on the socket that the SKB is queued on (bsc#1218487).

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:

• SUSE Linux Enterprise Live Patching 15-SP2
  zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2024-1054=1
• openSUSE Leap 15.3
  zypper in -t patch SUSE-2024-1056=1
• SUSE Linux Enterprise Live Patching 15-SP3
  zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2024-1056=1

Package List:

• SUSE Linux Enterprise Live Patching 15-SP2 (ppc64le s390x x86_64)
  • kernel-livepatch-5_3_18-150200_24_175-default-debuginfo-4-150200.2.3
  • kernel-livepatch-SLE15-SP2_Update_44-debugsource-4-150200.2.3
  • kernel-livepatch-5_3_18-150200_24_175-default-4-150200.2.3
• openSUSE Leap 15.3 (ppc64le s390x x86_64)
  • kernel-livepatch-SLE15-SP3_Update_41-debugsource-3-150300.2.3
  • kernel-livepatch-5_3_18-150300_59_150-default-debuginfo-3-150300.2.3
  • kernel-livepatch-5_3_18-150300_59_150-default-3-150300.2.3
• openSUSE Leap 15.3 (x86_64)
  • kernel-livepatch-5_3_18-150300_59_150-preempt-debuginfo-3-150300.2.3
  • kernel-livepatch-5_3_18-150300_59_150-preempt-3-150300.2.3
• SUSE Linux Enterprise Live Patching 15-SP3 (ppc64le s390x x86_64)
  • kernel-livepatch-5_3_18-150300_59_150-default-3-150300.2.3

References:

• https://www.suse.com/security/cve/CVE-2023-6531.html
• https://bugzilla.suse.com/show_bug.cgi?id=1218487