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openSUSE Leap 15.6: Kernel Important Race Condition CVE-2025-38477

opensuse
Calendar Grey October 13, 2025
Scroller Opensuse
Upgrade openSUSE kernel to address a critical race condition issue in scheduling. Apply the important patch now!
An update that solves one vulnerability can now be installed.

Description

This update for the Linux Kernel 6.4.0-150600_23_60 fixes one issue.

The following security issue was fixed:

* CVE-2025-38477: net/sched: sch_qfq: Fix race condition on qfq_aggregate

(bsc#1247315).

Topics%20covered

Topics Covered

security advisory important race condition kernel OpenSUSE cve-2025-38477

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 15.6

zypper in -t patch SUSE-2025-3568=1

* SUSE Linux Enterprise Live Patching 15-SP6

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2025-3568=1

Package List

* openSUSE Leap 15.6 (ppc64le s390x x86_64)

* kernel-livepatch-SLE15-SP6_Update_13-debugsource-5-150600.2.1

* kernel-livepatch-6_4_0-150600_23_60-default-debuginfo-5-150600.2.1

* kernel-livepatch-6_4_0-150600_23_60-default-5-150600.2.1

* SUSE Linux Enterprise Live Patching 15-SP6 (ppc64le s390x x86_64)

* kernel-livepatch-SLE15-SP6_Update_13-debugsource-5-150600.2.1

* kernel-livepatch-6_4_0-150600_23_60-default-debuginfo-5-150600.2.1

* kernel-livepatch-6_4_0-150600_23_60-default-5-150600.2.1

References

* bsc#1247315

## References:

* https://www.suse.com/security/cve/CVE-2025-38477.html

* https://bugzilla.suse.com/show_bug.cgi?id=1247315

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:03568-1
Release Date: 2025-10-12T08:33:33Z
Affected Products: * openSUSE Leap 15.6 * SUSE Linux Enterprise Live Patching 15-SP6 * SUSE Linux Enterprise Real Time 15 SP6 * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server for SAP Applications 15 SP6

Topics%20covered

Topics Covered

security advisory important race condition kernel OpenSUSE cve-2025-38477

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