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openSUSE: Kernel Important Fix for Security Issues SUSE-SU-2025:4255-1

opensuse
Calendar Grey November 26, 2025
Dist Opensuse Esm H88
An important update for the openSUSE kernel addresses two significant security issues and recommends immediate action.
An update that solves two vulnerabilities can now be installed.

Description

This update for the SUSE Linux Enterprise kernel 5.14.21-150500.55.97 fixes

various security issues

The following security issues were fixed:

* CVE-2024-53141: netfilter: ipset: add missing range check in bitmap_ip_uadt

(bsc#1245778).

* CVE-2025-23145: mptcp: fix NULL pointer in can_accept_new_subflow

(bsc#1242882).

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 15.5

zypper in -t patch SUSE-2025-4248=1 SUSE-2025-4249=1 SUSE-2025-4255=1

* SUSE Linux Enterprise Live Patching 15-SP5

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2025-4248=1 SUSE-SLE-

Module-Live-Patching-15-SP5-2025-4249=1 SUSE-SLE-Module-Live-

Patching-15-SP5-2025-4255=1

Package List

* openSUSE Leap 15.5 (ppc64le s390x x86_64)

* kernel-livepatch-5_14_21-150500_55_94-default-debuginfo-11-150500.2.1

* kernel-livepatch-5_14_21-150500_55_91-default-debuginfo-15-150500.2.1

* kernel-livepatch-5_14_21-150500_55_97-default-11-150500.2.1

* kernel-livepatch-5_14_21-150500_55_97-default-debuginfo-11-150500.2.1

* kernel-livepatch-SLE15-SP5_Update_23-debugsource-11-150500.2.1

* kernel-livepatch-SLE15-SP5_Update_24-debugsource-11-150500.2.1

* kernel-livepatch-5_14_21-150500_55_94-default-11-150500.2.1

* kernel-livepatch-5_14_21-150500_55_91-default-15-150500.2.1

* kernel-livepatch-SLE15-SP5_Update_22-debugsource-15-150500.2.1

* SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64)

* kernel-livepatch-5_14_21-150500_55_94-default-debuginfo-11-150500.2.1

* kernel-livepatch-5_14_21-150500_55_91-default-debuginfo-15-150500.2.1

* kernel-livepatch-5_14_21-150500_55_97-default-11-150500.2.1

* kernel-livepatch-5_14_21-150500_55_97-default-debuginfo-11-150500.2.1

*...

Read the Full Advisory

References

* bsc#1242882

* bsc#1245778

## References:

* https://www.suse.com/security/cve/CVE-2024-53141.html

* https://www.suse.com/security/cve/CVE-2025-23145.html

* https://bugzilla.suse.com/show_bug.cgi?id=1242882

* https://bugzilla.suse.com/show_bug.cgi?id=1245778

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:4255-1
Release Date: 2025-11-26T11:34:26Z
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

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