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SUSE: Kernel RT Important Update for Multiple Issues 2025:03636-1

suse
Calendar Grey October 20, 2025
Dist Suse Esm H88
SUSE has released an important security update for Kernel RT addressing multiple vulnerabilities and improving system stability.
* bsc#1232384 * bsc#1245794 * bsc#1246075 * bsc#1247158 * bsc#1247452

Summary

## This update for the Linux Kernel 6.4.0-150600_10_14 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).

Topics%20covered

Topics Covered

security advisory security issue SuSE DoS important kernel

References

* bsc#1232384

* bsc#1245794

* bsc#1246075

* bsc#1247158

* bsc#1247452

* bsc#1248376

* bsc#1248673

* bsc#1248749

* bsc#1249458

* bsc#1249534

Cross-

* CVE-2024-49974

* CVE-2025-21971

* CVE-2025-38110

* CVE-2025-38206

* CVE-2025-38396

* CVE-2025-38471

* CVE-2025-38499

* CVE-2025-38566

* CVE-2025-38644

* CVE-2025-38678

CVSS scores:

* CVE-2024-49974 ( SUSE ): 8.7

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

* CVE-2024-49974 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2024-49974 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2025-21971 ( SUSE ): 8.5

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

* CVE-2025-21971 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-38110 ( SUSE ): 8.5

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:03636-1
Release Date: 2025-10-18T10:03:55Z
Rating: important

Topics%20covered

Topics Covered

security advisory security issue SuSE DoS important kernel

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