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openSUSE 15-SP5: Kernel Important Fix for Buffer Overflow CVE-2023-53574

opensuse
Calendar Grey January 12, 2026
Dist Opensuse Esm H88
Two important vulnerabilities fixed in the SUSE Kernel update, enhancing system protection and stability.
An update that solves two vulnerabilities can now be installed.

Description

This update for the SUSE Linux Enterprise kernel 5.14.21-150500.55.113 fixes

various security issues

The following security issues were fixed:

* CVE-2023-53574: wifi: rtw88: delete timer and free skb queue when unloading

(bsc#1251984).

* CVE-2025-38257: s390/pkey: prevent overflow in size calculation for

memdup_user() (bsc#1246189).

Topics%20covered

Topics Covered

security advisory buffer overflow important kernel memory overflow 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 15.5

zypper in -t patch SUSE-2026-93=1 SUSE-2026-94=1 SUSE-2026-106=1 SUSE-2026-95=1

SUSE-2026-96=1 SUSE-2026-90=1 SUSE-2026-91=1 SUSE-2026-92=1

* SUSE Linux Enterprise Live Patching 15-SP5

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2026-93=1 SUSE-SLE-

Module-Live-Patching-15-SP5-2026-94=1 SUSE-SLE-Module-Live-

Patching-15-SP5-2026-106=1 SUSE-SLE-Module-Live-Patching-15-SP5-2026-95=1 SUSE-

SLE-Module-Live-Patching-15-SP5-2026-96=1 SUSE-SLE-Module-Live-

Patching-15-SP5-2026-90=1 SUSE-SLE-Module-Live-Patching-15-SP5-2026-91=1 SUSE-

SLE-Module-Live-Patching-15-SP5-2026-92=1

Package List

* openSUSE Leap 15.5 (ppc64le s390x x86_64)

* kernel-livepatch-SLE15-SP5_Update_24-debugsource-12-150500.2.1

* kernel-livepatch-5_14_21-150500_55_94-default-12-150500.2.1

* kernel-livepatch-SLE15-SP5_Update_22-debugsource-16-150500.2.1

* kernel-livepatch-5_14_21-150500_55_88-default-debuginfo-16-150500.2.1

* kernel-livepatch-5_14_21-150500_55_91-default-debuginfo-16-150500.2.1

* kernel-livepatch-5_14_21-150500_55_91-default-16-150500.2.1

* kernel-livepatch-5_14_21-150500_55_110-default-debuginfo-10-150500.2.1

* kernel-livepatch-5_14_21-150500_55_97-default-12-150500.2.1

* kernel-livepatch-SLE15-SP5_Update_27-debugsource-10-150500.2.1

* kernel-livepatch-5_14_21-150500_55_103-default-debuginfo-11-150500.2.1

* kernel-livepatch-5_14_21-150500_55_97-default-debuginfo-12-150500.2.1

* kernel-livepatch-SLE15-SP5_Update_28-debugsource-9-150500.2.1

* kernel-livepatch-5_14_21-150500_55_94-default-debuginfo-12-150500.2.1

* kernel-livepatch-5_14_21-150500_55_88-default-16-150500.2.1

*...

Read the Full Advisory

References

* bsc#1246189

* bsc#1251984

## References:

* https://www.suse.com/security/cve/CVE-2023-53574.html

* https://www.suse.com/security/cve/CVE-2025-38257.html

* https://bugzilla.suse.com/show_bug.cgi?id=1246189

* https://bugzilla.suse.com/show_bug.cgi?id=1251984

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0090-1
Release Date: 2026-01-12T11:05:02Z
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

Topics%20covered

Topics Covered

security advisory buffer overflow important kernel memory overflow OpenSUSE

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