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SUSE: Critical Kernel Update Resolves DoS Attacks and Other Problems

suse
Calendar Grey September 12, 2025
Dist Suse Esm H88
The latest kernel patch for SUSE 15 SP5 fixes numerous vulnerabilities, tackles significant problems, and enhances overall system stability.
* bsc#1237930 * bsc#1242579 * bsc#1244235 * bsc#1245775 * bsc#1245791

Summary

## This update for the Linux Kernel 5.14.21-150500_55_91 fixes several issues. The following security issues were fixed: * CVE-2025-21999: proc: fix UAF in proc_get_inode() (bsc#1242579). * CVE-2022-49053: scsi: target: tcmu: Fix possible page UAF (bsc#1237930). * 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-2025-37890: net_sched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc (bsc#1245791). * CVE-2025-21701: net: avoid race between device unregistration and ethnl ops (bsc#1245805). * CVE-2025-38212: ipc: fix to protect IPCS lookups using RCU (bsc#1246030). ## Patch Instructions:

Topics%20covered

Topics Covered

security advisory security issue SuSE DoS important kernel

References

* bsc#1237930

* bsc#1242579

* bsc#1244235

* bsc#1245775

* bsc#1245791

* bsc#1245805

* bsc#1246030

Cross-

* CVE-2022-49053

* CVE-2025-21701

* CVE-2025-21999

* CVE-2025-37890

* CVE-2025-38000

* CVE-2025-38001

* CVE-2025-38212

CVSS scores:

* CVE-2022-49053 ( 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-2022-49053 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2022-49053 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-21701 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-21999 ( SUSE ): 6.8

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

* CVE-2025-21999 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:03185-1
Release Date: 2025-09-12T06:03:55Z
Rating: important

Topics%20covered

Topics Covered

security advisory security issue SuSE DoS important kernel

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