Security update for the Linux Kernel RT (Live Patch 16 for SLE 15 SP5)

Announcement ID:	SUSE-SU-2024:3319-1
Rating:	important
References:	bsc#1223683 bsc#1225099 bsc#1228349
Cross-References:	CVE-2023-52846 CVE-2024-26923 CVE-2024-40909
CVSS scores:	CVE-2023-52846 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2024-26923 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2024-40909 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2024-40909 ( NVD ): 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_13_58 fixes several issues.

The following security issues were fixed:

• CVE-2024-40909: Fix a potential use-after-free in bpf_link_free() (bsc#1228349).
• CVE-2023-52846: Prevent use after free in prp_create_tagged_frame() (bsc#1225099).
• CVE-2024-26923: Fixed false-positive lockdep splat for spin_lock() in __unix_gc() (bsc#1223683).

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-2024-3319=1
• SUSE Linux Enterprise Live Patching 15-SP5
  zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2024-3319=1

Package List:

• openSUSE Leap 15.5 (x86_64)
  • kernel-livepatch-SLE15-SP5-RT_Update_16-debugsource-3-150500.11.6.1
  • kernel-livepatch-5_14_21-150500_13_58-rt-debuginfo-3-150500.11.6.1
  • kernel-livepatch-5_14_21-150500_13_58-rt-3-150500.11.6.1
• SUSE Linux Enterprise Live Patching 15-SP5 (x86_64)
  • kernel-livepatch-SLE15-SP5-RT_Update_16-debugsource-3-150500.11.6.1
  • kernel-livepatch-5_14_21-150500_13_58-rt-debuginfo-3-150500.11.6.1
  • kernel-livepatch-5_14_21-150500_13_58-rt-3-150500.11.6.1

References:

• https://www.suse.com/security/cve/CVE-2023-52846.html
• https://www.suse.com/security/cve/CVE-2024-26923.html
• https://www.suse.com/security/cve/CVE-2024-40909.html
• https://bugzilla.suse.com/show_bug.cgi?id=1223683
• https://bugzilla.suse.com/show_bug.cgi?id=1225099
• https://bugzilla.suse.com/show_bug.cgi?id=1228349