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openSUSE Kernel Important Security Update for CVE-2026-43503 CVE-2026-46323

opensuse
Calendar Grey June 23, 2026
Dist Opensuse Esm H88
# Security update for the Linux Kernel (Live Patch 26 for SUSE Linux Enterprise 15 SP6) Announcement
An update that solves two vulnerabilities can now be installed.

Description

This update for the SUSE Linux Enterprise Kernel 6.4.0-150600.23.112 fixes

various security issues

The following security issues were fixed:

* CVE-2026-43503: final dirty.frag related fixes (bsc#1266229).

* CVE-2026-46323: net: gro: don't merge zcopy skbs (bsc#1268282).

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow important kernel 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-SP6

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2026-2526=1

* SUSE Linux Enterprise Live Patching 12-SP5

zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2026-2553=1

* openSUSE Leap 15.6

zypper in -t patch SUSE-2026-2526=1

Package List

* SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64)

* kgraft-patch-4_12_14-122_310-default-2-2.1

* SUSE Linux Enterprise Live Patching 15-SP6 (ppc64le s390x x86_64)

* kernel-livepatch-6_4_0-150600_23_112-default-debuginfo-2-150600.2.1

* kernel-livepatch-6_4_0-150600_23_112-default-2-150600.2.1

* kernel-livepatch-SLE15-SP6_Update_26-debugsource-2-150600.2.1

* openSUSE Leap 15.6 (ppc64le s390x x86_64)

* kernel-livepatch-6_4_0-150600_23_112-default-debuginfo-2-150600.2.1

* kernel-livepatch-6_4_0-150600_23_112-default-2-150600.2.1

* kernel-livepatch-SLE15-SP6_Update_26-debugsource-2-150600.2.1

References

* bsc#1266229

* bsc#1268282

## References:

* https://www.suse.com/security/cve/CVE-2026-43503.html

* https://www.suse.com/security/cve/CVE-2026-46323.html

* https://bugzilla.suse.com/show_bug.cgi?id=1266229

* https://bugzilla.suse.com/show_bug.cgi?id=1268282

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2553-1
Release Date: 2026-06-23T11:34:46Z
Affected Products: * openSUSE Leap 15.6 * SUSE Linux Enterprise High Performance Computing 12 SP5 * SUSE Linux Enterprise Live Patching 12-SP5 * SUSE Linux Enterprise Live Patching 15-SP6 * SUSE Linux Enterprise Real Time 15 SP6 * SUSE Linux Enterprise Server 12 SP5 * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server for SAP Applications 12 SP5 * SUSE Linux Enterprise Server for SAP Applications 15 SP6

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow important kernel OpenSUSE

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