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SUSE: Kernel RT Important Security Fix CVE-2025-38499 2025:03643-1

suse
Calendar Grey October 20, 2025
Dist Suse Esm H88
SUSE Linux Kernel RT security update addresses critical issues with important severity. Apply necessary patches now.
* bsc#1248108 * bsc#1248376 * bsc#1248673 * bsc#1249534

Summary

## This update for the Linux Kernel 6.4.0-150700_7_13 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-2025-38566: sunrpc: fix handling of server side tls alerts (bsc#1248376). * kernel-livepatch.spec: Replace kernel-syms with kernel-<flavor>-specific dependencies (bsc#1248108) The commit ead79afe7cbfae ("kernel-livepatch.spec: Update build dependencies for non- default flavors") broke build of livepatches which were built with kernel- syms-rt. The problem is that livepatch packages for already released kernels

Topics%20covered

Topics Covered

security advisory SuSE DoS important CVE fix kernel

References

* bsc#1248108

* bsc#1248376

* bsc#1248673

* bsc#1249534

Cross-

* CVE-2025-38499

* CVE-2025-38566

* CVE-2025-38678

CVSS scores:

* CVE-2025-38499 ( SUSE ): 6.2

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:H

* CVE-2025-38499 ( SUSE ): 8.4 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H

* CVE-2025-38566 ( SUSE ): 9.2

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

* CVE-2025-38566 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-38678 ( SUSE ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Affected Products:

* SUSE Linux Enterprise Live Patching 15-SP6

* SUSE Linux Enterprise Live Patching 15-SP7

* SUSE Linux Enterprise Real Time 15 SP6

* SUSE Linux Enterprise Real Time 15 SP7

* SUSE Linux Enterprise Server 15 SP6

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:03643-1
Release Date: 2025-10-18T10:33:40Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE DoS important CVE fix kernel

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