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SUSE Linux Micro 6.0 Important Kernel Live Patch Advisory 2026-21045-1

suse
Calendar Grey April 13, 2026
Dist Suse Esm H88
Critical update resolves eight security issues in SUSE Kernel Live Patch 10 for SUSE Linux Enterprise Micro 6.0.
An update that solves eight vulnerabilities can now be installed.

Summary

## This update for the SUSE Linux Enterprise Kernel 6.4.0-32.1 fixes various security issues The following security issues were fixed: * CVE-2025-39973: i40e: add validation for ring_len param (bsc#1252036). * CVE-2025-40018: ipvs: Defer ip_vs_ftp unregister during netns cleanup (bsc#1252689). * CVE-2025-40159: xsk: Harden userspace-supplied xdp_desc validation (bsc#1253404). * 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

Topics%20covered

Topics Covered

security advisory SuSE vulnerability important kernel live patch

References

* bsc#1252036

* bsc#1252689

* bsc#1253404

* bsc#1256780

* bsc#1257238

* bsc#1258051

* bsc#1258183

* bsc#1258784

Cross-

* CVE-2025-39973

* CVE-2025-40018

* CVE-2025-40159

* CVE-2025-71120

* CVE-2026-22999

* CVE-2026-23074

* CVE-2026-23111

* CVE-2026-23209

CVSS scores:

* CVE-2025-39973 ( 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

* CVE-2025-39973 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-40018 ( 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-2025-40018 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-40159 ( 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
High
Critical

Announcement ID: SUSE-SU-2026:21045-1
Release Date: 2026-04-09T13:20:06Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE vulnerability important kernel live patch

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