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openSUSE Kernel Important Update 2026-2937-1 Addresses 20 Security Issues

opensuse
Calendar Grey July 14, 2026
Dist Opensuse Esm H88
Update addresses 20 vulnerabilities in the SUSE Kernel, rated important with various fixes, improving security and system stability.
An update that solves 20 vulnerabilities can now be installed.

Description

This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.214 fixes

various security issues

The following security issues were fixed:

* CVE-2026-23393: bridge: cfm: Fix race condition in peer_mep deletion

(bsc#1260524).

* CVE-2026-31533: net/tls: fix use-after-free in -EBUSY error path of

tls_do_encryption (bsc#1262759).

* CVE-2026-31570: can: gw: fix OOB heap access in cgw_csum_crc8_rel()

(bsc#1263118).

* CVE-2026-31586: mm: blk-cgroup: fix use-after-free in cgwb_release_workfn()

(bsc#1263177).

* CVE-2026-31685: netfilter: ip6t_eui64: reject invalid MAC header for all

packets (bsc#1263670).

* CVE-2026-31758: usb: usbtmc: Flush anchored URBs in usbtmc_release

(bsc#1264094).

* CVE-2026-43025: netfilter: ctnetlink: ignore explicit helper on new

expectations (bsc#1264253).

* CVE-2026-43027: netfilter: nf_conntrack_helper: pass helper to expect

cleanup (bsc#1264252).

* CVE-2026-43037: ip6_tunnel: clear skb2->cb[] in...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory SuSE DoS important kernel system exploit

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 15.4

zypper in -t patch SUSE-2026-2937=1 SUSE-2026-2936=1

* SUSE Linux Enterprise Live Patching 15-SP4

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2026-2937=1 SUSE-SLE-

Module-Live-Patching-15-SP4-2026-2936=1

Package List

* openSUSE Leap 15.4 (ppc64le s390x x86_64)

* kernel-livepatch-5_14_21-150400_24_214-default-3-150400.2.1

* kernel-livepatch-5_14_21-150400_24_205-default-debuginfo-5-150400.2.1

* kernel-livepatch-5_14_21-150400_24_205-default-5-150400.2.1

* kernel-livepatch-5_14_21-150400_24_214-default-debuginfo-3-150400.2.1

* kernel-livepatch-SLE15-SP4_Update_51-debugsource-5-150400.2.1

* kernel-livepatch-SLE15-SP4_Update_53-debugsource-3-150400.2.1

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

* kernel-livepatch-5_14_21-150400_24_214-default-3-150400.2.1

* kernel-livepatch-5_14_21-150400_24_205-default-debuginfo-5-150400.2.1

* kernel-livepatch-5_14_21-150400_24_205-default-5-150400.2.1

* kernel-livepatch-5_14_21-150400_24_214-default-debuginfo-3-150400.2.1

* kernel-livepatch-SLE15-SP4_Update_51-debugsource-5-150400.2.1

* kernel-livepatch-SLE15-SP4_Update_53-debugsource-3-150400.2.1

References

* bsc#1260524

* bsc#1262759

* bsc#1263118

* bsc#1263177

* bsc#1263670

* bsc#1264094

* bsc#1264252

* bsc#1264253

* bsc#1264849

* bsc#1265127

* bsc#1265197

* bsc#1265945

* bsc#1266015

* bsc#1266265

* bsc#1267206

* bsc#1267698

* bsc#1267723

* bsc#1267893

* bsc#1268662

* bsc#1269023

## References:

* https://www.suse.com/security/cve/CVE-2026-23393.html

* https://www.suse.com/security/cve/CVE-2026-31533.html

* https://www.suse.com/security/cve/CVE-2026-31570.html

* https://www.suse.com/security/cve/CVE-2026-31586.html

* https://www.suse.com/security/cve/CVE-2026-31685.html

* https://www.suse.com/security/cve/CVE-2026-31758.html

* https://www.suse.com/security/cve/CVE-2026-43025.html

* https://www.suse.com/security/cve/CVE-2026-43027.html

* https://www.suse.com/security/cve/CVE-2026-43037.html

* https://www.suse.com/security/cve/CVE-2026-43190.html

* https://www.suse.com/security/cve/CVE-2026-43437.html

* https://www.suse.com/security/cve/CVE-2026-43494.html

* https://www.suse.com/security/cve/CVE-2026-43501.html

*...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2937-1
Release Date: 2026-07-13T21:16:08Z
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 SuSE DoS important kernel system exploit

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