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SUSE Linux Micro 6.0 Kernel RT Important Fixes for Several Issues

suse
Calendar Grey March 27, 2026
Dist Suse Esm H88
SUSE Linux Enterprise Micro 6.0 Kernel RT resolves seven key issues, enhancing system security.
An update that solves seven vulnerabilities can now be installed.

Summary

## This update for the SUSE Linux Enterprise Kernel 6.4.0-31.1 fixes various security issues The following security issues were fixed: * CVE-2025-38159: wifi: rtw88: fix the 'para' buffer size to avoid reading out of bounds (bsc#1257629). * CVE-2025-38488: smb: client: fix use-after-free in crypt_message when using async crypto (bsc#1247240). * CVE-2025-40258: mptcp: fix race condition in mptcp_schedule_work() (bsc#1255053). * CVE-2025-40284: Bluetooth: MGMT: cancel mesh send timer when hdev removed (bsc#1257669). * CVE-2025-40297: net: bridge: fix use-after-free due to MST port state bypass (bsc#1255895). * CVE-2025-68813: ipvs: fix ipv4 null-ptr-deref in route error path (bsc#1256644). * CVE-2025-71085: ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr() (bsc#1256624).

Topics%20covered

Topics Covered

security advisory security issue SuSE DoS important kernel-rt

References

* bsc#1247240

* bsc#1255053

* bsc#1255895

* bsc#1256624

* bsc#1256644

* bsc#1257629

* bsc#1257669

Cross-

* CVE-2025-38159

* CVE-2025-38488

* CVE-2025-40258

* CVE-2025-40284

* CVE-2025-40297

* CVE-2025-68813

* CVE-2025-71085

CVSS scores:

* CVE-2025-38159 ( 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-2025-38159 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-38159 ( NVD ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

* CVE-2025-38488 ( 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-2025-38488 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-38488 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-40258 ( SUSE ): 7.3

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:20850-1
Release Date: 2026-03-24T16:48:26Z
Rating: important

Topics%20covered

Topics Covered

security advisory security issue SuSE DoS important kernel-rt

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