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openSUSE: Kernel Important Security Fix Multiple Issues 2025:3742-1

opensuse
Calendar Grey October 23, 2025
Dist Opensuse Esm H88
Critical update released for openSUSE addressing ten important kernel issues to enhance system stability and performance.
An update that solves 10 vulnerabilities can now be installed.

Description

This update for the Linux Kernel 6.4.0-150600_23_25 fixes several issues.

The following security issues were fixed:

* CVE-2025-38678: netfilter: nf_tables: reject duplicate device on updates

(bsc#1249534).

* CVE-2025-38499: clone_private_mnt(): make sure that caller has CAP_SYS_ADMIN

in the right userns (bsc#1248673).

* CVE-2025-38396: fs: export anon_inode_make_secure_inode() and fix secretmem

LSM bypass (bsc#1247158).

* CVE-2025-38566: sunrpc: fix handling of server side tls alerts

(bsc#1248376).

* CVE-2024-49974: NFSD: Force all NFSv4.2 COPY requests to be synchronous

(bsc#1232384).

* CVE-2025-21971: net_sched: Prevent creation of classes with TC_H_ROOT

(bsc#1245794).

* CVE-2025-38110: net/mdiobus: Fix potential out-of-bounds clause 45

read/write access (bsc#1249458).

* CVE-2025-38644: wifi: mac80211: reject TDLS operations when station is not

associated (bsc#1248749).

* CVE-2025-38206: exfat: fix double free in delayed_free...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory important kernel linux OpenSUSE cve-2025-38678

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-SP6-2025-3742=1 SUSE-SLE-

Module-Live-Patching-15-SP6-2025-3745=1

* openSUSE Leap 15.6

zypper in -t patch SUSE-2025-3745=1 SUSE-2025-3742=1

Package List

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

* kernel-livepatch-6_4_0-150600_23_22-default-19-150600.2.1

* kernel-livepatch-6_4_0-150600_23_22-default-debuginfo-19-150600.2.1

* kernel-livepatch-SLE15-SP6_Update_4-debugsource-19-150600.2.1

* kernel-livepatch-6_4_0-150600_23_25-default-18-150600.2.1

* kernel-livepatch-6_4_0-150600_23_25-default-debuginfo-18-150600.2.1

* kernel-livepatch-SLE15-SP6_Update_5-debugsource-18-150600.2.1

* openSUSE Leap 15.6 (ppc64le s390x x86_64)

* kernel-livepatch-6_4_0-150600_23_22-default-19-150600.2.1

* kernel-livepatch-6_4_0-150600_23_22-default-debuginfo-19-150600.2.1

* kernel-livepatch-6_4_0-150600_23_25-default-18-150600.2.1

* kernel-livepatch-SLE15-SP6_Update_4-debugsource-19-150600.2.1

* kernel-livepatch-6_4_0-150600_23_25-default-debuginfo-18-150600.2.1

* kernel-livepatch-SLE15-SP6_Update_5-debugsource-18-150600.2.1

References

* bsc#1232384

* bsc#1245794

* bsc#1246075

* bsc#1247158

* bsc#1247452

* bsc#1248376

* bsc#1248673

* bsc#1248749

* bsc#1249458

* bsc#1249534

## References:

* https://www.suse.com/security/cve/CVE-2024-49974.html

* https://www.suse.com/security/cve/CVE-2025-21971.html

* https://www.suse.com/security/cve/CVE-2025-38110.html

* https://www.suse.com/security/cve/CVE-2025-38206.html

* https://www.suse.com/security/cve/CVE-2025-38396.html

* https://www.suse.com/security/cve/CVE-2025-38471.html

* https://www.suse.com/security/cve/CVE-2025-38499.html

* https://www.suse.com/security/cve/CVE-2025-38566.html

* https://www.suse.com/security/cve/CVE-2025-38644.html

* https://www.suse.com/security/cve/CVE-2025-38678.html

* https://bugzilla.suse.com/show_bug.cgi?id=1232384

* https://bugzilla.suse.com/show_bug.cgi?id=1245794

* https://bugzilla.suse.com/show_bug.cgi?id=1246075

* https://bugzilla.suse.com/show_bug.cgi?id=1247158

* https://bugzilla.suse.com/show_bug.cgi?id=1247452

*...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:3742-1
Release Date: 2025-10-23T06:37:37Z
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 kernel linux OpenSUSE cve-2025-38678

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