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openSUSE Kernel Important DoS Issues Found in Advisory 2026-2890-1

opensuse
Calendar Grey July 13, 2026
Dist Opensuse Esm H88
This update resolves 23 significant security issues in the openSUSE kernel to enhance system protection.
An update that solves 23 vulnerabilities can now be installed.

Description

This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.133 fixes

various security issues

The following security issues were fixed:

* CVE-2025-71089: iommu: disable SVA when CONFIG_X86 is set (bsc#1256615).

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

(bsc#1260524).

* CVE-2026-31505: iavf: fix out-of-bounds writes in iavf_get_ethtool_stats()

(bsc#1263094).

* 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...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory buffer overflow remote access 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-SP5

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2026-2890=1 SUSE-SLE-

Module-Live-Patching-15-SP5-2026-2872=1 SUSE-SLE-Module-Live-

Patching-15-SP5-2026-2873=1

* openSUSE Leap 15.5

zypper in -t patch SUSE-2026-2872=1 SUSE-2026-2873=1 SUSE-2026-2890=1

Package List

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

* kernel-livepatch-SLE15-SP5_Update_31-debugsource-13-150500.2.2

* kernel-livepatch-5_14_21-150500_55_130-default-10-150500.2.2

* kernel-livepatch-5_14_21-150500_55_133-default-debuginfo-10-150500.2.2

* kernel-livepatch-5_14_21-150500_55_124-default-debuginfo-13-150500.2.2

* kernel-livepatch-SLE15-SP5_Update_33-debugsource-10-150500.2.2

* kernel-livepatch-5_14_21-150500_55_124-default-13-150500.2.2

* kernel-livepatch-SLE15-SP5_Update_34-debugsource-10-150500.2.2

* kernel-livepatch-5_14_21-150500_55_130-default-debuginfo-10-150500.2.2

* kernel-livepatch-5_14_21-150500_55_133-default-10-150500.2.2

* openSUSE Leap 15.5 (ppc64le s390x x86_64)

* kernel-livepatch-SLE15-SP5_Update_31-debugsource-13-150500.2.2

* kernel-livepatch-5_14_21-150500_55_130-default-10-150500.2.2

* kernel-livepatch-5_14_21-150500_55_133-default-debuginfo-10-150500.2.2

* kernel-livepatch-5_14_21-150500_55_124-default-debuginfo-13-150500.2.2

*...

Read the Full Advisory

References

* bsc#1256615

* bsc#1260524

* bsc#1262759

* bsc#1263094

* bsc#1263118

* bsc#1263177

* bsc#1263670

* bsc#1264094

* bsc#1264252

* bsc#1264253

* bsc#1264849

* bsc#1265117

* 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-2025-71089.html

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

* https://www.suse.com/security/cve/CVE-2026-31505.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

*...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2890-1
Release Date: 2026-07-13T10:20:38Z
Affected Products: * openSUSE Leap 15.5 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise Live Patching 15-SP5 * SUSE Linux Enterprise Micro 5.5 * SUSE Linux Enterprise Real Time 15 SP5 * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server for SAP Applications 15 SP5

Topics%20covered

Topics Covered

security advisory buffer overflow remote access important kernel OpenSUSE

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