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openSUSE: Vital Security Patch for Linux Kernel Addressing Several Issues

opensuse
Calendar Grey July 21, 2025
Dist Opensuse Esm H88
An essential patch for the openSUSE Kernel tackling various significant vulnerabilities, improving both the integrity and robustness of the system.
An update that solves five vulnerabilities can now be installed.

Description

This update for the Linux Kernel 5.14.21-150400_24_147 fixes several issues.

The following security issues were fixed:

* CVE-2022-49465: blk-throttle: Set BIO_THROTTLED when bio has been throttled

(bsc#1238920).

* CVE-2024-57893: ALSA: seq: oss: Fix races at processing SysEx messages

(bsc#1235921).

* CVE-2025-21772: partitions: mac: fix handling of bogus partition table

(bsc#1238912).

* CVE-2024-53166: block, bfq: fix bfqq uaf in bfq_limit_depth() (bsc#1234885).

* CVE-2024-56558: nfsd: make sure exp active before svc_export_show

(bsc#1243648).

Topics%20covered

Topics Covered

security advisory buffer overflow privilege escalation important 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-2025-2445=1

* SUSE Linux Enterprise Live Patching 15-SP4

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2025-2445=1

Package List

* openSUSE Leap 15.4 (ppc64le s390x x86_64)

* kernel-livepatch-5_14_21-150400_24_147-default-debuginfo-8-150400.2.1

* kernel-livepatch-SLE15-SP4_Update_35-debugsource-8-150400.2.1

* kernel-livepatch-5_14_21-150400_24_147-default-8-150400.2.1

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

* kernel-livepatch-5_14_21-150400_24_147-default-debuginfo-8-150400.2.1

* kernel-livepatch-SLE15-SP4_Update_35-debugsource-8-150400.2.1

* kernel-livepatch-5_14_21-150400_24_147-default-8-150400.2.1

References

* bsc#1234885

* bsc#1235921

* bsc#1238912

* bsc#1238920

* bsc#1243648

## References:

* https://www.suse.com/security/cve/CVE-2022-49465.html

* https://www.suse.com/security/cve/CVE-2024-53166.html

* https://www.suse.com/security/cve/CVE-2024-56558.html

* https://www.suse.com/security/cve/CVE-2024-57893.html

* https://www.suse.com/security/cve/CVE-2025-21772.html

* https://bugzilla.suse.com/show_bug.cgi?id=1234885

* https://bugzilla.suse.com/show_bug.cgi?id=1235921

* https://bugzilla.suse.com/show_bug.cgi?id=1238912

* https://bugzilla.suse.com/show_bug.cgi?id=1238920

* https://bugzilla.suse.com/show_bug.cgi?id=1243648

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:02445-1
Release Date: 2025-07-21T14:04:06Z
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 buffer overflow privilege escalation important kernel OpenSUSE

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