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SUSE: Linux Kernel Important Security Update 2025:03656-1 CVE-2025-38644

suse
Calendar Grey October 20, 2025
Dist Suse Esm H88
Address critical Linux Kernel vulnerabilities with important SUSE updates for enhanced system security and performance.
* bsc#1245794 * bsc#1248673 * bsc#1248749 * bsc#1250302

Summary

## This update for the Linux Kernel 4.12.14-122_261 fixes several issues. The following security issues were fixed: * CVE-2022-50386: Bluetooth: L2CAP: Fix user-after-free (bsc#1250302). * CVE-2025-38499: clone_private_mnt(): make sure that caller has CAP_SYS_ADMIN in the right userns (bsc#1248673). * CVE-2025-21971: net_sched: Prevent creation of classes with TC_H_ROOT (bsc#1245794). * CVE-2025-38644: wifi: mac80211: reject TDLS operations when station is not associated (bsc#1248749). ## 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 12-SP5

Topics%20covered

Topics Covered

security advisory SuSE code execution access control important Linux kernel

References

* bsc#1245794

* bsc#1248673

* bsc#1248749

* bsc#1250302

Cross-

* CVE-2022-50386

* CVE-2025-21971

* CVE-2025-38499

* CVE-2025-38644

CVSS scores:

* CVE-2022-50386 ( SUSE ): 7.3

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

* CVE-2022-50386 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/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-2025-38499 ( 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-2025-38644 ( SUSE ): 7.3

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

Severity
important
Lowest
Low
Medium
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Critical

Announcement ID: SUSE-SU-2025:03656-1
Release Date: 2025-10-19T09:34:13Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE code execution access control important Linux kernel

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