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openSUSE Live Patching Important Linux Kernel Issues 2025:03126-1

opensuse
Calendar Grey September 10, 2025
Dist Opensuse Esm H88
Essential patch released for the Linux Kernel rectifies key security flaws in Fedora, safeguarding system stability.
An update that solves six vulnerabilities can now be installed.

Description

This update for the Linux Kernel 5.3.18-150300_59_188 fixes several issues.

The following security issues were fixed:

* CVE-2025-21999: proc: fix UAF in proc_get_inode() (bsc#1242579).

* CVE-2022-49053: scsi: target: tcmu: Fix possible page UAF (bsc#1237930).

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

Topics%20covered

Topics Covered

security advisory security issue memory corruption 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:

* openSUSE Leap 15.3

zypper in -t patch SUSE-2025-3126=1 SUSE-2025-3125=1

* SUSE Linux Enterprise Live Patching 15-SP3

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2025-3126=1 SUSE-SLE-

Module-Live-Patching-15-SP3-2025-3125=1

Package List

* openSUSE Leap 15.3 (ppc64le s390x x86_64)

* kernel-livepatch-SLE15-SP3_Update_52-debugsource-10-150300.2.1

* kernel-livepatch-5_3_18-150300_59_188-default-debuginfo-10-150300.2.1

* kernel-livepatch-5_3_18-150300_59_185-default-debuginfo-11-150300.2.1

* kernel-livepatch-5_3_18-150300_59_185-default-11-150300.2.1

* kernel-livepatch-5_3_18-150300_59_188-default-10-150300.2.1

* kernel-livepatch-SLE15-SP3_Update_51-debugsource-11-150300.2.1

* openSUSE Leap 15.3 (x86_64)

* kernel-livepatch-5_3_18-150300_59_185-preempt-debuginfo-11-150300.2.1

* kernel-livepatch-5_3_18-150300_59_188-preempt-debuginfo-10-150300.2.1

* kernel-livepatch-5_3_18-150300_59_188-preempt-10-150300.2.1

* kernel-livepatch-5_3_18-150300_59_185-preempt-11-150300.2.1

* SUSE Linux Enterprise Live Patching 15-SP3 (ppc64le s390x x86_64)

* kernel-livepatch-5_3_18-150300_59_185-default-11-150300.2.1

* kernel-livepatch-5_3_18-150300_59_188-default-10-150300.2.1

References

* bsc#1237930

* bsc#1242579

* bsc#1244235

* bsc#1245775

* bsc#1245791

* bsc#1246030

## References:

* https://www.suse.com/security/cve/CVE-2022-49053.html

* https://www.suse.com/security/cve/CVE-2025-21999.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=1237930

* https://bugzilla.suse.com/show_bug.cgi?id=1242579

* 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=1246030

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:03126-1
Release Date: 2025-09-09T22:43:42Z
Affected Products: * openSUSE Leap 15.3 * SUSE Linux Enterprise High Performance Computing 15 SP3 * SUSE Linux Enterprise Live Patching 15-SP3 * SUSE Linux Enterprise Micro 5.1 * SUSE Linux Enterprise Micro 5.2 * SUSE Linux Enterprise Server 15 SP3 * SUSE Linux Enterprise Server for SAP Applications 15 SP3

Topics%20covered

Topics Covered

security advisory security issue memory corruption important Linux kernel OpenSUSE

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