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openSUSE Leap 15.3: Kernel Important Issues Fixed SUSE-SU-2025:03666-1

opensuse
Calendar Grey October 20, 2025
Dist Opensuse Esm H88
SUSE releases important kernel update solving four issues, improving system security and stability for openSUSE Leap 15.3.
An update that solves four vulnerabilities can now be installed.

Description

This update for the Linux Kernel 5.3.18-150300_59_215 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).

Topics%20covered

Topics Covered

security advisory patch important kernel updater OpenSUSE

Patch

## 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-2025-3667=1 SUSE-2025-3666=1 SUSE-2025-3668=1

* SUSE Linux Enterprise Live Patching 15-SP3

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2025-3667=1 SUSE-SLE-

Module-Live-Patching-15-SP3-2025-3666=1 SUSE-SLE-Module-Live-

Patching-15-SP3-2025-3668=1

Package List

* openSUSE Leap 15.3 (ppc64le s390x x86_64)

* kernel-livepatch-5_3_18-150300_59_204-default-8-150300.2.1

* kernel-livepatch-5_3_18-150300_59_215-default-4-150300.2.1

* kernel-livepatch-5_3_18-150300_59_182-default-debuginfo-16-150300.2.1

* kernel-livepatch-5_3_18-150300_59_215-default-debuginfo-4-150300.2.1

* kernel-livepatch-SLE15-SP3_Update_60-debugsource-4-150300.2.1

* kernel-livepatch-5_3_18-150300_59_182-default-16-150300.2.1

* kernel-livepatch-SLE15-SP3_Update_57-debugsource-8-150300.2.1

* kernel-livepatch-5_3_18-150300_59_204-default-debuginfo-8-150300.2.1

* kernel-livepatch-SLE15-SP3_Update_50-debugsource-16-150300.2.1

* openSUSE Leap 15.3 (x86_64)

* kernel-livepatch-5_3_18-150300_59_215-preempt-4-150300.2.1

* kernel-livepatch-5_3_18-150300_59_215-preempt-debuginfo-4-150300.2.1

* kernel-livepatch-5_3_18-150300_59_204-preempt-8-150300.2.1

* kernel-livepatch-5_3_18-150300_59_182-preempt-16-150300.2.1

* kernel-livepatch-5_3_18-150300_59_182-preempt-debuginfo-16-150300.2.1

*...

Read the Full Advisory

References

* bsc#1245794

* bsc#1246075

* bsc#1248673

* bsc#1248749

## 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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:03666-1
Release Date: 2025-10-19T19:33:36Z
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

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Topics Covered

security advisory patch important kernel updater OpenSUSE

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