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SUSE Live Patching 15 SP5 Important Kernel Issues Fixed 2026-1212-1

suse
Calendar Grey April 8, 2026
Dist Suse Esm H88
Update for SUSE Linux Kernel addresses critical issues including multiple vulnerabilities. Install recommended patches now.
An update that solves six vulnerabilities can now be installed.

Summary

## This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.121 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-2025-71120: 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-2026-23209: macvlan: fix error recovery in macvlan_common_newlink() (bsc#1258784). ## Patch Instructions:

Topics%20covered

Topics Covered

security advisory security issue SuSE DoS important kernel

References

* bsc#1252036

* bsc#1252689

* bsc#1256780

* bsc#1257238

* bsc#1258051

* bsc#1258784

Cross-

* CVE-2025-39973

* CVE-2025-40018

* CVE-2025-71120

* CVE-2026-22999

* CVE-2026-23074

* 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-2025-71120 ( 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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1212-1
Release Date: 2026-04-08T10:04:55Z
Rating: important

Topics%20covered

Topics Covered

security advisory security issue SuSE DoS important kernel

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