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SUSE Linux Micro 6.0 Important Kernel Live Patch 2026-21041-1

suse
Calendar Grey April 13, 2026
Dist Suse Esm H88
SUSE Linux Micro 6.0 important kernel update fixes five security issues, improving system stability and protection.
An update that solves five vulnerabilities can now be installed.

Summary

## This update for the SUSE Linux Enterprise Kernel 6.4.0-38.1 fixes various security issues The following security issues were fixed: * CVE-2025-71120: SUNRPC: svcauth_gss: avoid NULL deref on zero length gss_token in gss_read_proxy_verf (bsc#1256780). * CVE-2026-22999: net/sched: sch_qfq: do not free existing class in qfq_change_class() (bsc#1257238). * CVE-2026-23074: net/sched: Enforce that teql can only be used as root qdisc (bsc#1258051). * CVE-2026-23111: netfilter: nf_tables: fix inverted genmask check in nft_map_catchall_activate() (bsc#1258183). * CVE-2026-23209: macvlan: fix error recovery in macvlan_common_newlink() (bsc#1258784). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

Topics%20covered

Topics Covered

security advisory denial of service security issue SuSE important Linux kernel

References

* bsc#1256780

* bsc#1257238

* bsc#1258051

* bsc#1258183

* bsc#1258784

Cross-

* CVE-2025-71120

* CVE-2026-22999

* CVE-2026-23074

* CVE-2026-23111

* CVE-2026-23209

CVSS scores:

* CVE-2025-71120 ( 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-2025-71120 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2025-71120 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-22999 ( 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-2026-22999 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-22999 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-23074 ( SUSE ): 7.3

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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:21041-1
Release Date: 2026-04-09T13:20:01Z
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service security issue SuSE important Linux kernel

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