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openSUSE: Kernel Important Denial of Service Issues Fixed 2025:03569-1

opensuse
Calendar Grey October 13, 2025
Dist Opensuse Esm H88
An important security update for openSUSE addresses four kernel issues and vulnerabilities effectively.
An update that solves four vulnerabilities can now be installed.

Description

This update for the Linux Kernel 6.4.0-150600_23_38 fixes several issues.

The following security issues were fixed:

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

(bsc#1247315).

* CVE-2025-21791: vrf: use RCU protection in l3mdev_l3_out() (bsc#1240744).

* CVE-2025-38089: sunrpc: handle SVC_GARBAGE during svc auth processing as

auth error (bsc#1245509).

* CVE-2025-21692: net: sched: fix ets qdisc OOB Indexing (bsc#1237048).

Topics%20covered

Topics Covered

security advisory denial of service important kernel 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 15.6

zypper in -t patch SUSE-2025-3569=1 SUSE-2025-3570=1

* SUSE Linux Enterprise Live Patching 15-SP6

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2025-3569=1 SUSE-SLE-

Module-Live-Patching-15-SP6-2025-3570=1

Package List

* openSUSE Leap 15.6 (ppc64le s390x x86_64)

* kernel-livepatch-SLE15-SP6_Update_7-debugsource-13-150600.2.1

* kernel-livepatch-6_4_0-150600_23_38-default-8-150600.2.1

* kernel-livepatch-6_4_0-150600_23_38-default-debuginfo-8-150600.2.1

* kernel-livepatch-6_4_0-150600_23_33-default-13-150600.2.1

* kernel-livepatch-6_4_0-150600_23_33-default-debuginfo-13-150600.2.1

* kernel-livepatch-SLE15-SP6_Update_8-debugsource-8-150600.2.1

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

* kernel-livepatch-SLE15-SP6_Update_7-debugsource-13-150600.2.1

* kernel-livepatch-6_4_0-150600_23_38-default-8-150600.2.1

* kernel-livepatch-6_4_0-150600_23_38-default-debuginfo-8-150600.2.1

* kernel-livepatch-6_4_0-150600_23_33-default-13-150600.2.1

* kernel-livepatch-6_4_0-150600_23_33-default-debuginfo-13-150600.2.1

* kernel-livepatch-SLE15-SP6_Update_8-debugsource-8-150600.2.1

References

* bsc#1237048

* bsc#1240744

* bsc#1245509

* bsc#1247315

## References:

* https://www.suse.com/security/cve/CVE-2025-21692.html

* https://www.suse.com/security/cve/CVE-2025-21791.html

* https://www.suse.com/security/cve/CVE-2025-38089.html

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

* https://bugzilla.suse.com/show_bug.cgi?id=1237048

* https://bugzilla.suse.com/show_bug.cgi?id=1240744

* https://bugzilla.suse.com/show_bug.cgi?id=1245509

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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:03569-1
Release Date: 2025-10-12T10:04:13Z
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 denial of service important kernel Linux kernel OpenSUSE

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