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openSUSE Leap 15.4 SUSE-SU-2025:03578-1 Kernel Important Update

opensuse
Calendar Grey October 13, 2025
Scroller Opensuse
This advisory details a significant update resolving three kernel issues in openSUSE, emphasizing critical patches needed.
An update that solves three vulnerabilities can now be installed.

Description

This update for the Linux Kernel 5.14.21-150400_24_161 fixes several issues.

The following security issues were fixed:

* CVE-2024-53168: sunrpc: fix one UAF issue caused by sunrpc kernel tcp socket

(bsc#1243650).

* CVE-2025-38477: net/sched: sch_qfq: Fix race condition on qfq_aggregate

(bsc#1247315).

* CVE-2025-21791: vrf: use RCU protection in l3mdev_l3_out() (bsc#1240744).

Topics%20covered

Topics Covered

security advisory issue important kernel OpenSUSE install

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 15.4

zypper in -t patch SUSE-2025-3588=1 SUSE-2025-3578=1

* SUSE Linux Enterprise Live Patching 15-SP4

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2025-3588=1 SUSE-SLE-

Module-Live-Patching-15-SP4-2025-3578=1

Package List

* openSUSE Leap 15.4 (ppc64le s390x x86_64)

* kernel-livepatch-SLE15-SP4_Update_38-debugsource-7-150400.2.1

* kernel-livepatch-5_14_21-150400_24_158-default-7-150400.2.1

* kernel-livepatch-5_14_21-150400_24_161-default-debuginfo-7-150400.2.1

* kernel-livepatch-SLE15-SP4_Update_39-debugsource-7-150400.2.1

* kernel-livepatch-5_14_21-150400_24_161-default-7-150400.2.1

* kernel-livepatch-5_14_21-150400_24_158-default-debuginfo-7-150400.2.1

* SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)

* kernel-livepatch-SLE15-SP4_Update_38-debugsource-7-150400.2.1

* kernel-livepatch-5_14_21-150400_24_158-default-7-150400.2.1

* kernel-livepatch-5_14_21-150400_24_161-default-debuginfo-7-150400.2.1

* kernel-livepatch-SLE15-SP4_Update_39-debugsource-7-150400.2.1

* kernel-livepatch-5_14_21-150400_24_161-default-7-150400.2.1

* kernel-livepatch-5_14_21-150400_24_158-default-debuginfo-7-150400.2.1

References

* bsc#1240744

* bsc#1243650

* bsc#1247315

## References:

* https://www.suse.com/security/cve/CVE-2024-53168.html

* https://www.suse.com/security/cve/CVE-2025-21791.html

* https://www.suse.com/security/cve/CVE-2025-38477.html

* https://bugzilla.suse.com/show_bug.cgi?id=1240744

* https://bugzilla.suse.com/show_bug.cgi?id=1243650

* https://bugzilla.suse.com/show_bug.cgi?id=1247315

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:03578-1
Release Date: 2025-10-13T07:04:11Z
Affected Products: * openSUSE Leap 15.4 * SUSE Linux Enterprise High Performance Computing 15 SP4 * SUSE Linux Enterprise Live Patching 15-SP4 * SUSE Linux Enterprise Micro 5.3 * SUSE Linux Enterprise Micro 5.4 * SUSE Linux Enterprise Real Time 15 SP4 * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server for SAP Applications 15 SP4

Topics%20covered

Topics Covered

security advisory issue important kernel OpenSUSE install

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