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openSUSE 15.5: Linux Kernel Important Security Fixes for 2025:03195-1

opensuse
Calendar Grey September 12, 2025
Dist Opensuse Esm H88
An important patch release for the Linux Kernel resolves various vulnerabilities affecting openSUSE advancements. Discover the specifics of the updates and the problems they rectify.
An update that solves five vulnerabilities can now be installed.

Description

This update for the Linux Kernel 5.14.21-150500_55_110 fixes several issues.

The following security issues were fixed:

* CVE-2025-38001: net_sched: hfsc: Address reentrant enqueue adding class to

eltree twice (bsc#1244235).

* CVE-2025-38000: sch_hfsc: Fix qlen accounting bug when using peek in

hfsc_enqueue() (bsc#1245775).

* CVE-2025-37890: net_sched: hfsc: Fix a UAF vulnerability in class with netem

as child qdisc (bsc#1245791).

* CVE-2025-21701: net: avoid race between device unregistration and ethnl ops

(bsc#1245805).

* CVE-2025-38212: ipc: fix to protect IPCS lookups using RCU (bsc#1246030).

Topics%20covered

Topics Covered

security advisory update threat important Linux 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:

* SUSE Linux Enterprise Live Patching 15-SP5

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2025-3195=1

* openSUSE Leap 15.5

zypper in -t patch SUSE-2025-3195=1

Package List

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

* kernel-livepatch-5_14_21-150500_55_110-default-debuginfo-4-150500.2.1

* kernel-livepatch-SLE15-SP5_Update_27-debugsource-4-150500.2.1

* kernel-livepatch-5_14_21-150500_55_110-default-4-150500.2.1

* openSUSE Leap 15.5 (ppc64le s390x x86_64)

* kernel-livepatch-5_14_21-150500_55_110-default-debuginfo-4-150500.2.1

* kernel-livepatch-SLE15-SP5_Update_27-debugsource-4-150500.2.1

* kernel-livepatch-5_14_21-150500_55_110-default-4-150500.2.1

References

* bsc#1244235

* bsc#1245775

* bsc#1245791

* bsc#1245805

* bsc#1246030

## References:

* https://www.suse.com/security/cve/CVE-2025-21701.html

* https://www.suse.com/security/cve/CVE-2025-37890.html

* https://www.suse.com/security/cve/CVE-2025-38000.html

* https://www.suse.com/security/cve/CVE-2025-38001.html

* https://www.suse.com/security/cve/CVE-2025-38212.html

* https://bugzilla.suse.com/show_bug.cgi?id=1244235

* https://bugzilla.suse.com/show_bug.cgi?id=1245775

* https://bugzilla.suse.com/show_bug.cgi?id=1245791

* https://bugzilla.suse.com/show_bug.cgi?id=1245805

* https://bugzilla.suse.com/show_bug.cgi?id=1246030

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:03195-1
Release Date: 2025-09-12T11:33:46Z
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 threat important Linux kernel OpenSUSE

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