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openSUSE Kernel RT Important Fix for Six Issues Vuln 2026-3316-1

opensuse
Calendar Grey July 28, 2026
Scroller Opensuse
OpenSUSE kernel RT update resolves six important vulnerabilities; installation instructions included for enhanced security.
SUSE Linux releases a critical update addressing six security vulnerabilities in the Linux Kernel RT, impacting various SUSE and openSUSE products, with patch instructions provided...

Description

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.8 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).

* CVE-2026-53366: ipv4: account for fraggap on the paged allocation path

(bsc#1271370).

Topics%20covered

Topics Covered

security advisory SuSE vulnerability important kernel rt

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-SP6-2026-3316=1 SUSE-SLE-

Module-Live-Patching-15-SP6-2026-3315=1 SUSE-SLE-Module-Live-

Patching-15-SP6-2026-3308=1 SUSE-SLE-Module-Live-Patching-15-SP6-2026-3307=1

SUSE-SLE-Module-Live-Patching-15-SP6-2026-3314=1 SUSE-SLE-Module-Live-

Patching-15-SP6-2026-3311=1

* SUSE Linux Enterprise Live Patching 15-SP7

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP7-2026-3303=1 SUSE-SLE-

Module-Live-Patching-15-SP7-2026-3304=1 SUSE-SLE-Module-Live-

Patching-15-SP7-2026-3309=1 SUSE-SLE-Module-Live-Patching-15-SP7-2026-3312=1

SUSE-SLE-Module-Live-Patching-15-SP7-2026-3306=1 SUSE-SLE-Module-Live-

Patching-15-SP7-2026-3310=1 SUSE-SLE-Module-Live-Patching-15-SP7-2026-3305=1

SUSE-SLE-Module-Live-Patching-15-SP7-2026-...

Read the Full Advisory

Package List

* openSUSE Leap 15.6 (ppc64le s390x x86_64)

* kernel-livepatch-SLE15-SP6_Update_14-debugsource-15-150600.2.1

* kernel-livepatch-6_4_0-150600_23_81-default-10-150600.2.1

* kernel-livepatch-SLE15-SP6_Update_18-debugsource-10-150600.2.1

* kernel-livepatch-6_4_0-150600_23_73-default-12-150600.2.1

* kernel-livepatch-SLE15-SP6_Update_16-debugsource-12-150600.2.1

* kernel-livepatch-SLE15-SP6_Update_15-debugsource-15-150600.2.1

* kernel-livepatch-6_4_0-150600_23_65-default-debuginfo-15-150600.2.1

* kernel-livepatch-6_4_0-150600_23_70-default-debuginfo-15-150600.2.1

* kernel-livepatch-6_4_0-150600_23_70-default-15-150600.2.1

* kernel-livepatch-6_4_0-150600_23_78-default-debuginfo-10-150600.2.1

* kernel-livepatch-6_4_0-150600_23_60-default-debuginfo-19-150600.2.1

* kernel-livepatch-6_4_0-150600_23_73-default-debuginfo-12-150600.2.1

* kernel-livepatch-6_4_0-150600_23_60-default-19-150600.2.1

* kernel-livepatch-6_4_0-150600_23_65-default-15-150600.2.1

*...

Read the Full Advisory

References

* bsc#1262404

* bsc#1264060

* bsc#1266970

* bsc#1270060

* bsc#1271370

* 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://www.suse.com/security/cve/CVE-2026-53366.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=1271370

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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:3316-1
Release Date: 2026-07-27T19:36:28Z

Topics%20covered

Topics Covered

security advisory SuSE vulnerability important kernel rt

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