openSUSE Leap 15.5 Kernel Important Security Update 2026-1248-1
opensuse
April 10, 2026
An update that solves six vulnerabilities can now be installed.
Description
This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.113 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).
Topics Covered
Patch
## Patch Instructions:
To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
* openSUSE Leap 15.5
zypper in -t patch SUSE-2026-1246=1 SUSE-2026-1248=1
* SUSE Linux Enterprise Live Patching 15-SP5
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2026-1246=1 SUSE-SLE-
Module-Live-Patching-15-SP5-2026-1248=1
Package List
* openSUSE Leap 15.5 (ppc64le s390x x86_64)
* kernel-livepatch-SLE15-SP5_Update_28-debugsource-14-150500.2.1
* kernel-livepatch-5_14_21-150500_55_113-default-debuginfo-14-150500.2.1
* kernel-livepatch-SLE15-SP5_Update_29-debugsource-12-150500.2.1
* kernel-livepatch-5_14_21-150500_55_116-default-debuginfo-12-150500.2.1
* kernel-livepatch-5_14_21-150500_55_113-default-14-150500.2.1
* kernel-livepatch-5_14_21-150500_55_116-default-12-150500.2.1
* SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64)
* kernel-livepatch-SLE15-SP5_Update_28-debugsource-14-150500.2.1
* kernel-livepatch-5_14_21-150500_55_113-default-debuginfo-14-150500.2.1
* kernel-livepatch-5_14_21-150500_55_116-default-debuginfo-12-150500.2.1
* kernel-livepatch-5_14_21-150500_55_113-default-14-150500.2.1
* kernel-livepatch-5_14_21-150500_55_116-default-12-150500.2.1
* SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x)
* kernel-livepatch-SLE15-SP5_Update_29-debugsource-12-150500.2.1
References
* bsc#1252036
* bsc#1252689
* bsc#1256780
* bsc#1257238
* bsc#1258051
* bsc#1258784
## References:
* https://www.suse.com/security/cve/CVE-2025-39973.html
* https://www.suse.com/security/cve/CVE-2025-40018.html
* https://www.suse.com/security/cve/CVE-2025-71120.html
* https://www.suse.com/security/cve/CVE-2026-22999.html
* https://www.suse.com/security/cve/CVE-2026-23074.html
* https://www.suse.com/security/cve/CVE-2026-23209.html
* https://bugzilla.suse.com/show_bug.cgi?id=1252036
* https://bugzilla.suse.com/show_bug.cgi?id=1252689
* https://bugzilla.suse.com/show_bug.cgi?id=1256780
* https://bugzilla.suse.com/show_bug.cgi?id=1257238
* https://bugzilla.suse.com/show_bug.cgi?id=1258051
* https://bugzilla.suse.com/show_bug.cgi?id=1258784
PREVIOUS
NEXT
Severity
important
Lowest
Low
Medium
High
Critical
Announcement ID: SUSE-SU-2026:1248-1
Release Date: 2026-04-10T11:04:25Z
Affected Products:
* openSUSE Leap 15.5
* SUSE Linux Enterprise High Performance Computing 15 SP5
* SUSE Linux Enterprise Live Patching 15-SP5
* SUSE Linux Enterprise Micro 5.5
* SUSE Linux Enterprise Real Time 15 SP5
* SUSE Linux Enterprise Server 15 SP5
* SUSE Linux Enterprise Server for SAP Applications 15 SP5
Topics Covered
Get the latest News and Insights
Get the latest Linux and open source security news straight to your inbox.
Related News
Powered By
Linux Security - Your source for Top Linux News, Advisories, HOWTOs and Feature Releases
QUICK LINKS
subscribe to newsletters!
Like staying secure? So do we.
Sign up for updates, tips, and alerts!