Security update for the Linux Kernel RT (Live Patch 7 for SLE 15 SP5)

Announcement ID:	SUSE-SU-2024:4141-1
Release Date:	2024-12-02T15:35:45Z
Rating:	important
References:	bsc#1225429 bsc#1225733 bsc#1229273 bsc#1229553
Cross-References:	CVE-2021-47517 CVE-2024-35949 CVE-2024-36904 CVE-2024-43861
CVSS scores:	CVE-2021-47517 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:H CVE-2024-35949 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2024-36904 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2024-43861 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2024-43861 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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 four vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 5.14.21-150500_13_24 fixes several issues.

The following security issues were fixed:

• CVE-2021-47517: Fix panic when interrupt coaleceing is set via ethtool (bsc#1225429).
• CVE-2024-36904: tcp: Use refcount_inc_not_zero() in tcp_twsk_unique() (bsc#1225733).
• CVE-2024-43861: Fix memory leak for not ip packets (bsc#1229553).
• CVE-2024-35949: btrfs: make sure that WRITTEN is set on all metadata blocks (bsc#1229273).

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-2024-4141=1
• SUSE Linux Enterprise Live Patching 15-SP5
  zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2024-4141=1

Package List:

• openSUSE Leap 15.5 (x86_64)
  • kernel-livepatch-5_14_21-150500_13_24-rt-debuginfo-15-150500.2.1
  • kernel-livepatch-5_14_21-150500_13_24-rt-15-150500.2.1
  • kernel-livepatch-SLE15-SP5-RT_Update_7-debugsource-15-150500.2.1
• SUSE Linux Enterprise Live Patching 15-SP5 (x86_64)
  • kernel-livepatch-5_14_21-150500_13_24-rt-debuginfo-15-150500.2.1
  • kernel-livepatch-5_14_21-150500_13_24-rt-15-150500.2.1
  • kernel-livepatch-SLE15-SP5-RT_Update_7-debugsource-15-150500.2.1

References:

• https://www.suse.com/security/cve/CVE-2021-47517.html
• https://www.suse.com/security/cve/CVE-2024-35949.html
• https://www.suse.com/security/cve/CVE-2024-36904.html
• https://www.suse.com/security/cve/CVE-2024-43861.html
• https://bugzilla.suse.com/show_bug.cgi?id=1225429
• https://bugzilla.suse.com/show_bug.cgi?id=1225733
• https://bugzilla.suse.com/show_bug.cgi?id=1229273
• https://bugzilla.suse.com/show_bug.cgi?id=1229553