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openSUSE Leap 15.6: SUSE-SU-2025:03213-1 Linux Kernel Important Threat Fix

opensuse
Calendar Grey September 15, 2025
Dist Opensuse Esm H88
This patch addresses several critical vulnerabilities within the Linux Kernel for openSUSE, incorporating vital security updates to take into account.
An update that solves four vulnerabilities and has one security fix can now be installed.

Description

This update for the Linux Kernel 6.4.0-150600_23_53 fixes several issues.

The following security issues were fixed:

* CVE-2025-38087: net/sched: fix use-after-free in taprio_dev_notifier

(bsc#1245504).

* CVE-2025-38001: net_sched: hfsc: Address reentrant enqueue adding class to

eltree twice (bsc#1244235).

* CVE-2025-38000: sch_hfsc: Fix qlen accounting bug when using peek in

hfsc_enqueue() (bsc#1245775).

* CVE-2025-38212: ipc: fix to protect IPCS lookups using RCU (bsc#1246030).

Topics%20covered

Topics Covered

security advisory threat important fix 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:

* SUSE Linux Enterprise Live Patching 15-SP6

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2025-3213=1

* openSUSE Leap 15.6

zypper in -t patch SUSE-2025-3213=1

Package List

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

* kernel-livepatch-SLE15-SP6_Update_12-debugsource-4-150600.2.1

* kernel-livepatch-6_4_0-150600_23_53-default-debuginfo-4-150600.2.1

* kernel-livepatch-6_4_0-150600_23_53-default-4-150600.2.1

* openSUSE Leap 15.6 (ppc64le s390x x86_64)

* kernel-livepatch-SLE15-SP6_Update_12-debugsource-4-150600.2.1

* kernel-livepatch-6_4_0-150600_23_53-default-debuginfo-4-150600.2.1

* kernel-livepatch-6_4_0-150600_23_53-default-4-150600.2.1

References

* bsc#1244235

* bsc#1245505

* bsc#1245775

* bsc#1246030

* bsc#1248108

## References:

* 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-2025-38087.html

* https://www.suse.com/security/cve/CVE-2025-38212.html

* https://bugzilla.suse.com/show_bug.cgi?id=1244235

* https://bugzilla.suse.com/show_bug.cgi?id=1245505

* https://bugzilla.suse.com/show_bug.cgi?id=1245775

* https://bugzilla.suse.com/show_bug.cgi?id=1246030

* https://bugzilla.suse.com/show_bug.cgi?id=1248108

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:03213-1
Release Date: 2025-09-13T17:38:25Z
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 threat important fix Linux kernel OpenSUSE

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