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SUSE: Linux Kernel Important Security Update for CVE-2025-03539 DoS

suse
Calendar Grey October 10, 2025
Dist Suse Esm H88
Update for Linux Kernel fixes 5 important security issues including race conditions and UAF vulnerabilities.
* bsc#1233072 * bsc#1237048 * bsc#1240744 * bsc#1243650 * bsc#1247315

Summary

## This update for the Linux Kernel 5.14.21-150400_24_141 fixes several issues. The following security issues were fixed: * CVE-2024-53168: sunrpc: fix one UAF issue caused by sunrpc kernel tcp socket (bsc#1243650). * CVE-2024-50154: tcp/dccp: Do not use timer_pending() in reqsk_queue_unlink() (bsc#1233072). * CVE-2025-38477: net/sched: sch_qfq: Fix race condition on qfq_aggregate (bsc#1247315). * CVE-2025-21791: vrf: use RCU protection in l3mdev_l3_out() (bsc#1240744). * CVE-2025-21692: net: sched: fix ets qdisc OOB Indexing (bsc#1237048). ## 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-SP4

Topics%20covered

Topics Covered

security advisory security issue SuSE DoS important kernel

References

* bsc#1233072

* bsc#1237048

* bsc#1240744

* bsc#1243650

* bsc#1247315

Cross-

* CVE-2024-50154

* CVE-2024-53168

* CVE-2025-21692

* CVE-2025-21791

* CVE-2025-38477

CVSS scores:

* CVE-2024-50154 ( SUSE ): 7.3

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

* CVE-2024-50154 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2024-50154 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2024-50154 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2024-53168 ( SUSE ): 7.1

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

* CVE-2024-53168 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2024-53168 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:03539-1
Release Date: 2025-10-10T18:33:53Z
Rating: important

Topics%20covered

Topics Covered

security advisory security issue SuSE DoS important kernel

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