Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP6)

Announcement ID:	SUSE-SU-2024:4217-1
Release Date:	2024-12-05T18:03:45Z
Rating:	important
References:	bsc#1225733 bsc#1229273 bsc#1229553
Cross-References:	CVE-2024-35949 CVE-2024-36904 CVE-2024-43861
CVSS scores:	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 15.6 SUSE Linux Enterprise Live Patching 15-SP6 SUSE Linux Enterprise Real Time 15 SP6 SUSE Linux Enterprise Server 15 SP6 SUSE Linux Enterprise Server for SAP Applications 15 SP6

An update that solves three vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 6.4.0-150600_21 fixes several issues.

The following security issues were fixed:

• 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:

• SUSE Linux Enterprise Live Patching 15-SP6
  zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2024-4217=1
• openSUSE Leap 15.6
  zypper in -t patch SUSE-2024-4217=1

Package List:

• SUSE Linux Enterprise Live Patching 15-SP6 (ppc64le s390x x86_64)
  • kernel-livepatch-SLE15-SP6_Update_0-debugsource-7-150600.4.13.1
  • kernel-livepatch-6_4_0-150600_21-default-7-150600.4.13.1
  • kernel-livepatch-6_4_0-150600_21-default-debuginfo-7-150600.4.13.1
• openSUSE Leap 15.6 (ppc64le s390x x86_64)
  • kernel-livepatch-SLE15-SP6_Update_0-debugsource-7-150600.4.13.1
  • kernel-livepatch-6_4_0-150600_21-default-7-150600.4.13.1
  • kernel-livepatch-6_4_0-150600_21-default-debuginfo-7-150600.4.13.1

References:

• 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=1225733
• https://bugzilla.suse.com/show_bug.cgi?id=1229273
• https://bugzilla.suse.com/show_bug.cgi?id=1229553