Security update for the Linux Kernel (Live Patch 59 for SLE 15 SP3)

Announcement ID:	SUSE-SU-2025:03672-1
Release Date:	2025-10-20T07:04:20Z
Rating:	important
References:	bsc#1245794 bsc#1246075 bsc#1248673 bsc#1248749
Cross-References:	CVE-2025-21971 CVE-2025-38206 CVE-2025-38499 CVE-2025-38644
CVSS scores:	CVE-2025-21971 ( SUSE ): 8.5 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVE-2025-21971 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2025-38206 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVE-2025-38206 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2025-38499 ( SUSE ): 6.2 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:H CVE-2025-38499 ( SUSE ): 8.4 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H CVE-2025-38644 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVE-2025-38644 ( SUSE ): 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 SP3 SUSE Linux Enterprise Live Patching 15-SP3 SUSE Linux Enterprise Micro 5.1 SUSE Linux Enterprise Micro 5.2 SUSE Linux Enterprise Server 15 SP3 SUSE Linux Enterprise Server for SAP Applications 15 SP3

An update that solves four vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 5.3.18-150300_59_211 fixes several issues.

The following security issues were fixed:

• CVE-2025-38499: clone_private_mnt(): make sure that caller has CAP_SYS_ADMIN in the right userns (bsc#1248673).
• CVE-2025-21971: net_sched: Prevent creation of classes with TC_H_ROOT (bsc#1245794).
• CVE-2025-38644: wifi: mac80211: reject TDLS operations when station is not associated (bsc#1248749).
• CVE-2025-38206: exfat: fix double free in delayed_free (bsc#1246075).

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 15.3
  zypper in -t patch SUSE-2025-3670=1 SUSE-2025-3672=1 SUSE-2025-3673=1 SUSE-2025-3669=1
• SUSE Linux Enterprise Live Patching 15-SP3
  zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2025-3670=1 SUSE-SLE-Module-Live-Patching-15-SP3-2025-3672=1 SUSE-SLE-Module-Live-Patching-15-SP3-2025-3673=1 SUSE-SLE-Module-Live-Patching-15-SP3-2025-3669=1

Package List:

• openSUSE Leap 15.3 (ppc64le s390x x86_64)
  • kernel-livepatch-5_3_18-150300_59_211-default-debuginfo-7-150300.2.1
  • kernel-livepatch-5_3_18-150300_59_211-default-7-150300.2.1
  • kernel-livepatch-SLE15-SP3_Update_59-debugsource-7-150300.2.1
  • kernel-livepatch-5_3_18-150300_59_188-default-debuginfo-13-150300.2.1
  • kernel-livepatch-SLE15-SP3_Update_54-debugsource-10-150300.2.1
  • kernel-livepatch-SLE15-SP3_Update_52-debugsource-13-150300.2.1
  • kernel-livepatch-5_3_18-150300_59_198-default-10-150300.2.1
  • kernel-livepatch-5_3_18-150300_59_195-default-10-150300.2.1
  • kernel-livepatch-5_3_18-150300_59_195-default-debuginfo-10-150300.2.1
  • kernel-livepatch-SLE15-SP3_Update_55-debugsource-10-150300.2.1
  • kernel-livepatch-5_3_18-150300_59_188-default-13-150300.2.1
  • kernel-livepatch-5_3_18-150300_59_198-default-debuginfo-10-150300.2.1
• openSUSE Leap 15.3 (x86_64)
  • kernel-livepatch-5_3_18-150300_59_198-preempt-10-150300.2.1
  • kernel-livepatch-5_3_18-150300_59_211-preempt-7-150300.2.1
  • kernel-livepatch-5_3_18-150300_59_211-preempt-debuginfo-7-150300.2.1
  • kernel-livepatch-5_3_18-150300_59_188-preempt-debuginfo-13-150300.2.1
  • kernel-livepatch-5_3_18-150300_59_198-preempt-debuginfo-10-150300.2.1
  • kernel-livepatch-5_3_18-150300_59_195-preempt-10-150300.2.1
  • kernel-livepatch-5_3_18-150300_59_195-preempt-debuginfo-10-150300.2.1
  • kernel-livepatch-5_3_18-150300_59_188-preempt-13-150300.2.1
• SUSE Linux Enterprise Live Patching 15-SP3 (ppc64le s390x x86_64)
  • kernel-livepatch-5_3_18-150300_59_211-default-debuginfo-7-150300.2.1
  • kernel-livepatch-5_3_18-150300_59_211-default-7-150300.2.1
  • kernel-livepatch-SLE15-SP3_Update_59-debugsource-7-150300.2.1
  • kernel-livepatch-5_3_18-150300_59_198-default-10-150300.2.1
  • kernel-livepatch-5_3_18-150300_59_195-default-10-150300.2.1
  • kernel-livepatch-5_3_18-150300_59_188-default-13-150300.2.1

References:

• https://www.suse.com/security/cve/CVE-2025-21971.html
• https://www.suse.com/security/cve/CVE-2025-38206.html
• https://www.suse.com/security/cve/CVE-2025-38499.html
• https://www.suse.com/security/cve/CVE-2025-38644.html
• https://bugzilla.suse.com/show_bug.cgi?id=1245794
• https://bugzilla.suse.com/show_bug.cgi?id=1246075
• https://bugzilla.suse.com/show_bug.cgi?id=1248673
• https://bugzilla.suse.com/show_bug.cgi?id=1248749