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openSUSE Kernel Important Security Update for Five Issues 2026-2993-1

opensuse
Calendar Grey July 15, 2026
Dist Opensuse Esm H88
A critical update for openSUSE Kernel addresses five significant issues to enhance security and system integrity.
An update that solves five vulnerabilities can now be installed.

Description

This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.222 fixes

various security issues

The following security issues were fixed:

* CVE-2026-46120: ip6_gre: Use cached t->net in ip6erspan_changelink()

(bsc#1267893).

* CVE-2026-46173: exit: prevent preemption of oopsing TASK_DEAD task

(bsc#1267723).

* CVE-2026-46227: sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in

SCTP_SENDALL (bsc#1267698).

* CVE-2026-52909: ip6_vti: set netns_immutable on the fallback device

(bsc#1268662).

* CVE-2026-52943: net: skbuff: fix missing zerocopy reference in pskb_carve

helpers (bsc#1269023).

Topics%20covered

Topics Covered

security advisory security issue important kernel system exploit OpenSUSE

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:

* SUSE Linux Enterprise Live Patching 15-SP4

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2026-2993=1

* openSUSE Leap 15.4

zypper in -t patch SUSE-2026-2993=1

Package List

* SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)

* kernel-livepatch-5_14_21-150400_24_222-default-debuginfo-2-150400.2.1

* kernel-livepatch-5_14_21-150400_24_222-default-2-150400.2.1

* kernel-livepatch-SLE15-SP4_Update_55-debugsource-2-150400.2.1

* openSUSE Leap 15.4 (ppc64le s390x x86_64)

* kernel-livepatch-5_14_21-150400_24_222-default-debuginfo-2-150400.2.1

* kernel-livepatch-5_14_21-150400_24_222-default-2-150400.2.1

* kernel-livepatch-SLE15-SP4_Update_55-debugsource-2-150400.2.1

References

* bsc#1267698

* bsc#1267723

* bsc#1267893

* bsc#1268662

* bsc#1269023

## References:

* https://www.suse.com/security/cve/CVE-2026-46120.html

* https://www.suse.com/security/cve/CVE-2026-46173.html

* https://www.suse.com/security/cve/CVE-2026-46227.html

* https://www.suse.com/security/cve/CVE-2026-52909.html

* https://www.suse.com/security/cve/CVE-2026-52943.html

* https://bugzilla.suse.com/show_bug.cgi?id=1267698

* https://bugzilla.suse.com/show_bug.cgi?id=1267723

* https://bugzilla.suse.com/show_bug.cgi?id=1267893

* https://bugzilla.suse.com/show_bug.cgi?id=1268662

* https://bugzilla.suse.com/show_bug.cgi?id=1269023

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2993-1
Release Date: 2026-07-14T16:33:46Z
Affected Products: * openSUSE Leap 15.4 * SUSE Linux Enterprise High Performance Computing 15 SP4 * SUSE Linux Enterprise Live Patching 15-SP4 * SUSE Linux Enterprise Micro 5.3 * SUSE Linux Enterprise Micro 5.4 * SUSE Linux Enterprise Real Time 15 SP4 * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server for SAP Applications 15 SP4

Topics%20covered

Topics Covered

security advisory security issue important kernel system exploit OpenSUSE

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