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openSUSE Leap 15.4: Linux Kernel Important Fixes for DoS 2025:03156-1

opensuse
Calendar Grey September 11, 2025
Dist Opensuse Esm H88
A critical patch has been issued for the openSUSE Linux Kernel, resolving several vulnerabilities. Users are advised to promptly install the update to maintain system security.
An update that solves nine vulnerabilities can now be installed.

Description

This update for the Linux Kernel 5.14.21-150400_24_133 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-2024-49867: btrfs: wait for fixup workers before stopping cleaner

kthread during umount (bsc#1232271).

* 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-2024-47674: mm: avoid leaving partial pfn mappings around in error case

(bsc#1231676).

* CVE-2024-47706: block, bfq: fix possible UAF for bfqq->bic with merge chain

(bsc#1231943).

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

Topics%20covered

Topics Covered

security advisory security issue DoS 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 15.4

zypper in -t patch SUSE-2025-3156=1

* SUSE Linux Enterprise Live Patching 15-SP4

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2025-3156=1

Package List

* openSUSE Leap 15.4 (ppc64le s390x x86_64)

* kernel-livepatch-5_14_21-150400_24_133-default-14-150400.2.1

* kernel-livepatch-SLE15-SP4_Update_31-debugsource-14-150400.2.1

* kernel-livepatch-5_14_21-150400_24_133-default-debuginfo-14-150400.2.1

* SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)

* kernel-livepatch-5_14_21-150400_24_133-default-14-150400.2.1

* kernel-livepatch-SLE15-SP4_Update_31-debugsource-14-150400.2.1

* kernel-livepatch-5_14_21-150400_24_133-default-debuginfo-14-150400.2.1

References

* bsc#1231676

* bsc#1231943

* bsc#1232271

* 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-2024-47674.html

* https://www.suse.com/security/cve/CVE-2024-47706.html

* https://www.suse.com/security/cve/CVE-2024-49867.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=1231676

* https://bugzilla.suse.com/show_bug.cgi?id=1231943

* https://bugzilla.suse.com/show_bug.cgi?id=1232271

* 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

*...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:03156-1
Release Date: 2025-09-10T22:26:58Z
Affected Products: * openSUSE Leap 15.4 * SUSE Linux Enterprise High Performance Computing 15 SP4 * SUSE Linux Enterprise Live Patching 15-SP4 * SUSE Linux Enterprise Micro 5.3 * SUSE Linux Enterprise Micro 5.4 * SUSE Linux Enterprise Real Time 15 SP4 * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server for SAP Applications 15 SP4

Topics%20covered

Topics Covered

security advisory security issue DoS important Linux kernel OpenSUSE

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