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SUSE Linux Enterprise 15 SP4 Kernel Live Patch 38 Important 2026-1268-1

suse
Calendar Grey April 13, 2026
Dist Suse Esm H88
Update for SUSE Linux addresses six important security issues in Kernel, requiring immediate attention to patch vulnerabilities.
An update that solves six vulnerabilities can now be installed.

Summary

## This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.158 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 important kernel system exploit

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-2026:1268-1
Release Date: 2026-04-11T14:04:52Z
Rating: important

Topics%20covered

Topics Covered

security advisory security issue SuSE important kernel system exploit

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