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openSUSE: Essential Security Patch for Linux Kernel CVE-2025-21999

opensuse
Calendar Grey September 12, 2025
Dist Opensuse Esm H88
Crucial security patch for the Linux Kernel rectifying several vulnerabilities and safeguarding overall system reliability for Fedora.
An update that solves nine vulnerabilities can now be installed.

Description

This update for the Linux Kernel 5.14.21-150500_55_73 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 DoS important kernel system exploit 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-2025-3190=1

* SUSE Linux Enterprise Live Patching 15-SP5

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2025-3190=1

Package List

* openSUSE Leap 15.5 (ppc64le s390x x86_64)

* kernel-livepatch-SLE15-SP5_Update_17-debugsource-16-150500.2.1

* kernel-livepatch-5_14_21-150500_55_73-default-16-150500.2.1

* kernel-livepatch-5_14_21-150500_55_73-default-debuginfo-16-150500.2.1

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

* kernel-livepatch-5_14_21-150500_55_73-default-16-150500.2.1

* kernel-livepatch-5_14_21-150500_55_73-default-debuginfo-16-150500.2.1

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

* kernel-livepatch-SLE15-SP5_Update_17-debugsource-16-150500.2.1

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-2025:03190-1
Release Date: 2025-09-12T08:09:51Z
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 important kernel system exploit OpenSUSE

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