Security update for the Linux Kernel RT (Live Patch 0 for SLE 15 SP5)

Announcement ID:	SUSE-SU-2024:2091-1
Rating:	important
References:	bsc#1222118 bsc#1223059 bsc#1224043
Cross-References:	CVE-2022-48687 CVE-2023-52628 CVE-2024-26852
CVSS scores:	CVE-2022-48687 ( SUSE ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H CVE-2022-48687 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVE-2023-52628 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2024-26852 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:	openSUSE Leap 15.5 SUSE Linux Enterprise High Performance Computing 15 SP5 SUSE Linux Enterprise Live Patching 15-SP5 SUSE Linux Enterprise Micro 5.5 SUSE Linux Enterprise Real Time 15 SP5 SUSE Linux Enterprise Server 15 SP5 SUSE Linux Enterprise Server for SAP Applications 15 SP5

An update that solves three vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 5.14.21-150500_11 fixes several issues.

The following security issues were fixed:

• CVE-2023-52628: Fixed 4-byte stack OOB write in nftables (bsc#1222118).
• CVE-2022-48687: Fixed fix out-of-bounds read when setting HMAC data (bsc#1224043).
• CVE-2024-26852: Fixed use-after-free in ip6_route_mpath_notify() (bsc#1223059).

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 15.5
  zypper in -t patch SUSE-2024-2091=1
• SUSE Linux Enterprise Live Patching 15-SP5
  zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2024-2091=1

Package List:

• openSUSE Leap 15.5 (x86_64)
  • kernel-livepatch-5_14_21-150500_11-rt-14-150500.6.1
  • kernel-livepatch-SLE15-SP5-RT_Update_0-debugsource-14-150500.6.1
  • kernel-livepatch-5_14_21-150500_11-rt-debuginfo-14-150500.6.1
• SUSE Linux Enterprise Live Patching 15-SP5 (x86_64)
  • kernel-livepatch-5_14_21-150500_11-rt-14-150500.6.1
  • kernel-livepatch-SLE15-SP5-RT_Update_0-debugsource-14-150500.6.1
  • kernel-livepatch-5_14_21-150500_11-rt-debuginfo-14-150500.6.1

References:

• https://www.suse.com/security/cve/CVE-2022-48687.html
• https://www.suse.com/security/cve/CVE-2023-52628.html
• https://www.suse.com/security/cve/CVE-2024-26852.html
• https://bugzilla.suse.com/show_bug.cgi?id=1222118
• https://bugzilla.suse.com/show_bug.cgi?id=1223059
• https://bugzilla.suse.com/show_bug.cgi?id=1224043