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openSUSE Leap 15.5 kernel Important Fix Multiple Threats SUSE-2026-0539-1

opensuse
Calendar Grey February 16, 2026
Dist Opensuse Esm H88
Critical kernel patches for openSUSE addressing multiple threats are essential for system integrity.
An update that solves four vulnerabilities can now be installed.

Description

This update for the SUSE Linux Enterprise kernel 5.14.21-150500.55.116 fixes

various security issues

The following security issues were fixed:

* CVE-2023-53321: wifi: mac80211_hwsim: drop short frames (bsc#1250314).

* CVE-2025-38111: net/mdiobus: Fix potential out-of-bounds read/write access

(bsc#1249455).

* CVE-2025-38352: posix-cpu-timers: fix race between handle_posix_cpu_timers()

and posix_cpu_timer_del() (bsc#1249205).

* CVE-2025-39742: RDMA: hfi1: fix possible divide-by-zero in

find_hw_thread_mask() (bsc#1249480).

Topics%20covered

Topics Covered

security advisory DoS patch important kernel 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-2026-539=1 SUSE-2026-540=1 SUSE-2026-541=1

* SUSE Linux Enterprise Live Patching 15-SP5

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2026-539=1 SUSE-SLE-

Module-Live-Patching-15-SP5-2026-540=1 SUSE-SLE-Module-Live-

Patching-15-SP5-2026-541=1

Package List

* openSUSE Leap 15.5 (ppc64le s390x x86_64)

* kernel-livepatch-SLE15-SP5_Update_29-debugsource-9-150500.2.1

* kernel-livepatch-5_14_21-150500_55_110-default-12-150500.2.1

* kernel-livepatch-5_14_21-150500_55_110-default-debuginfo-12-150500.2.1

* kernel-livepatch-5_14_21-150500_55_103-default-13-150500.2.1

* kernel-livepatch-SLE15-SP5_Update_26-debugsource-13-150500.2.1

* kernel-livepatch-5_14_21-150500_55_103-default-debuginfo-13-150500.2.1

* kernel-livepatch-SLE15-SP5_Update_27-debugsource-12-150500.2.1

* kernel-livepatch-5_14_21-150500_55_116-default-9-150500.2.1

* kernel-livepatch-5_14_21-150500_55_116-default-debuginfo-9-150500.2.1

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

* kernel-livepatch-5_14_21-150500_55_110-default-12-150500.2.1

* kernel-livepatch-5_14_21-150500_55_110-default-debuginfo-12-150500.2.1

* kernel-livepatch-5_14_21-150500_55_103-default-13-150500.2.1

* kernel-livepatch-SLE15-SP5_Update_26-debugsource-13-150500.2.1

*...

Read the Full Advisory

References

* bsc#1249205

* bsc#1249455

* bsc#1249480

* bsc#1250314

## References:

* https://www.suse.com/security/cve/CVE-2023-53321.html

* https://www.suse.com/security/cve/CVE-2025-38111.html

* https://www.suse.com/security/cve/CVE-2025-38352.html

* https://www.suse.com/security/cve/CVE-2025-39742.html

* https://bugzilla.suse.com/show_bug.cgi?id=1249205

* https://bugzilla.suse.com/show_bug.cgi?id=1249455

* https://bugzilla.suse.com/show_bug.cgi?id=1249480

* https://bugzilla.suse.com/show_bug.cgi?id=1250314

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0539-1
Release Date: 2026-02-15T15:33:36Z
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 DoS patch important kernel OpenSUSE

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