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openSUSE 15 SP5 Kernel Important Security Update 2026-0535-1

opensuse
Calendar Grey February 16, 2026
Dist Opensuse Esm H88
Learn about openSUSE security update 2026:0535-1 addressing four important vulnerabilities in the kernel.
An update that solves four 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-2023-53321: 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 update important kernel system security 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-2026-538=1 SUSE-2026-535=1 SUSE-2026-536=1

SUSE-2026-537=1

* SUSE Linux Enterprise Live Patching 15-SP5

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2026-538=1 SUSE-SLE-

Module-Live-Patching-15-SP5-2026-535=1 SUSE-SLE-Module-Live-

Patching-15-SP5-2026-536=1 SUSE-SLE-Module-Live-Patching-15-SP5-2026-537=1

Package List

* openSUSE Leap 15.5 (ppc64le s390x x86_64)

* kernel-livepatch-SLE15-SP5_Update_23-debugsource-14-150500.2.1

* kernel-livepatch-5_14_21-150500_55_100-default-13-150500.2.1

* kernel-livepatch-SLE15-SP5_Update_28-debugsource-11-150500.2.1

* kernel-livepatch-5_14_21-150500_55_94-default-14-150500.2.1

* kernel-livepatch-SLE15-SP5_Update_22-debugsource-18-150500.2.1

* kernel-livepatch-SLE15-SP5_Update_25-debugsource-13-150500.2.1

* kernel-livepatch-5_14_21-150500_55_113-default-11-150500.2.1

* kernel-livepatch-5_14_21-150500_55_113-default-debuginfo-11-150500.2.1

* kernel-livepatch-5_14_21-150500_55_100-default-debuginfo-13-150500.2.1

* kernel-livepatch-5_14_21-150500_55_91-default-debuginfo-18-150500.2.1

* kernel-livepatch-5_14_21-150500_55_94-default-debuginfo-14-150500.2.1

* kernel-livepatch-5_14_21-150500_55_91-default-18-150500.2.1

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

* kernel-livepatch-SLE15-SP5_Update_23-debugsource-14-150500.2.1

*...

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-2026:0535-1
Release Date: 2026-02-15T11:04:07Z
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 update important kernel system security OpenSUSE

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