openSUSE Leap 15.6: Kernel Important Security Patch SLE 15 SP6 2025:03571-1
opensuse
October 13, 2025
An update that solves five vulnerabilities can now be installed.
Description
This update for the Linux Kernel 6.4.0-150600_23_30 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-2024-53168: sunrpc: fix one UAF issue caused by sunrpc kernel tcp socket
(bsc#1243650).
* 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 Covered
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-2025-3571=1
* SUSE Linux Enterprise Live Patching 15-SP6
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2025-3571=1
Package List
* openSUSE Leap 15.6 (ppc64le s390x x86_64)
* kernel-livepatch-6_4_0-150600_23_30-default-13-150600.2.1
* kernel-livepatch-6_4_0-150600_23_30-default-debuginfo-13-150600.2.1
* kernel-livepatch-SLE15-SP6_Update_6-debugsource-13-150600.2.1
* SUSE Linux Enterprise Live Patching 15-SP6 (ppc64le s390x x86_64)
* kernel-livepatch-6_4_0-150600_23_30-default-13-150600.2.1
* kernel-livepatch-6_4_0-150600_23_30-default-debuginfo-13-150600.2.1
* kernel-livepatch-SLE15-SP6_Update_6-debugsource-13-150600.2.1
References
* bsc#1237048
* bsc#1240744
* bsc#1243650
* bsc#1245509
* bsc#1247315
## References:
* https://www.suse.com/security/cve/CVE-2024-53168.html
* 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=1243650
* https://bugzilla.suse.com/show_bug.cgi?id=1245509
* https://bugzilla.suse.com/show_bug.cgi?id=1247315
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Severity
important
Lowest
Low
Medium
High
Critical
Announcement ID: SUSE-SU-2025:03571-1
Release Date: 2025-10-12T11:33:33Z
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 Covered
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