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openSUSE Kernel Important Patch Fixing Five Issues 2026-3319-1

opensuse
Calendar Grey July 28, 2026
Scroller Opensuse
An important update for openSUSE fixes five kernel issues, enhancing system integrity and performance.
A security update for SUSE Linux Kernel fixes five vulnerabilities, enhancing system protection via recommended installation methods for affected products including SUSE Linux Ente...

Description

This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.136 fixes

various security issues:

The following security issues were fixed:

* CVE-2026-23240: tls: Fix race condition in tls_sw_cancel_work_tx()

(bsc#1262404).

* CVE-2026-31738: vxlan: validate ND option lengths in vxlan_na_create

(bsc#1264060).

* CVE-2026-43038: ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach()

(bsc#1271648).

* CVE-2026-46113: KVM: x86: Fix shadow paging use-after-free due to unexpected

GFN (bsc#1266970).

* CVE-2026-53359: KVM: x86: Fix shadow paging use-after-free due to unexpected

role (bsc#1270060).

Topics%20covered

Topics Covered

security advisory buffer overflow kernel patch important system integrity SUSE Linux Enterprise

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-SP5

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2026-3319=1 SUSE-SLE-

Module-Live-Patching-15-SP5-2026-3320=1

* openSUSE Leap 15.5

zypper in -t patch SUSE-2026-3319=1 SUSE-2026-3320=1

Package List

* SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64)

* kernel-livepatch-5_14_21-150500_55_149-default-debuginfo-6-150500.2.1

* kernel-livepatch-SLE15-SP5_Update_35-debugsource-10-150500.2.1

* kernel-livepatch-5_14_21-150500_55_136-default-debuginfo-10-150500.2.1

* kernel-livepatch-5_14_21-150500_55_149-default-6-150500.2.1

* kernel-livepatch-SLE15-SP5_Update_38-debugsource-6-150500.2.1

* kernel-livepatch-5_14_21-150500_55_136-default-10-150500.2.1

* openSUSE Leap 15.5 (ppc64le s390x x86_64)

* kernel-livepatch-5_14_21-150500_55_149-default-debuginfo-6-150500.2.1

* kernel-livepatch-SLE15-SP5_Update_35-debugsource-10-150500.2.1

* kernel-livepatch-5_14_21-150500_55_136-default-debuginfo-10-150500.2.1

* kernel-livepatch-5_14_21-150500_55_149-default-6-150500.2.1

* kernel-livepatch-SLE15-SP5_Update_38-debugsource-6-150500.2.1

* kernel-livepatch-5_14_21-150500_55_136-default-10-150500.2.1

References

* bsc#1262404

* bsc#1264060

* bsc#1266970

* bsc#1270060

* bsc#1271648

## References:

* https://www.suse.com/security/cve/CVE-2026-23240.html

* https://www.suse.com/security/cve/CVE-2026-31738.html

* https://www.suse.com/security/cve/CVE-2026-43038.html

* https://www.suse.com/security/cve/CVE-2026-46113.html

* https://www.suse.com/security/cve/CVE-2026-53359.html

* https://bugzilla.suse.com/show_bug.cgi?id=1262404

* https://bugzilla.suse.com/show_bug.cgi?id=1264060

* https://bugzilla.suse.com/show_bug.cgi?id=1266970

* https://bugzilla.suse.com/show_bug.cgi?id=1270060

* https://bugzilla.suse.com/show_bug.cgi?id=1271648

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:3319-1
Release Date: 2026-07-28T03:33:52Z

Topics%20covered

Topics Covered

security advisory buffer overflow kernel patch important system integrity SUSE Linux Enterprise

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