Alerts This Week
Warning Icon 1 815
Alerts This Week
Warning Icon 1 815

openSUSE Kernel Security Update Heap Overflow CVE-2026-31402 2026-2532-1

opensuse
Calendar Grey June 23, 2026
Dist Opensuse Esm H88
# Security update for the Linux Kernel (Live Patch 10 for SUSE Linux Enterprise 15 SP7) Announcement
An update that solves six vulnerabilities and has one security fix can now be installed.

Description

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.34 fixes

various security issues

The following security issues were fixed:

* CVE-2026-23278: netfilter: nf_tables: always walk all pending catchall

elements (bsc#1260907).

* CVE-2026-31402: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache

(bsc#1261640).

* CVE-2026-31504: net: fix fanout UAF in packet_release() via NETDEV_UP race

(bsc#1263088).

* CVE-2026-31694: fuse: reject oversized dirents in page cache (bsc#1263902).

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

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

* net/sched: fix pedit partial COW leading to page cache (bsc#1267625).

Topics%20covered

Topics Covered

security advisory important heap overflow kernel fix 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-SP7

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP7-2026-2538=1 SUSE-SLE-

Module-Live-Patching-15-SP7-2026-2541=1 SUSE-SLE-Module-Live-

Patching-15-SP7-2026-2542=1 SUSE-SLE-Module-Live-Patching-15-SP7-2026-2543=1

SUSE-SLE-Module-Live-Patching-15-SP7-2026-2544=1 SUSE-SLE-Module-Live-

Patching-15-SP7-2026-2545=1 SUSE-SLE-Module-Live-Patching-15-SP7-2026-2546=1

SUSE-SLE-Module-Live-Patching-15-SP7-2026-2547=1 SUSE-SLE-Module-Live-

Patching-15-SP7-2026-2548=1 SUSE-SLE-Module-Live-Patching-15-SP7-2026-2560=1

SUSE-SLE-Module-Live-Patching-15-SP7-2026-2562=1 SUSE-SLE-Module-Live-

Patching-15-SP7-2026-2561=1 SUSE-SLE-Module-Live-Patching-15-SP7-2026-2563=1

SUSE-SLE-Module-Live-Patching-15-SP7-2026-2564=1 SUSE-SLE-Module-Live-

Patching-15-SP7-2026-2565=1...

Read the Full Advisory

Package List

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

* kernel-livepatch-6_4_0-150600_23_87-default-debuginfo-7-150600.2.1

* kernel-livepatch-SLE15-SP6_Update_21-debugsource-5-150600.2.1

* kernel-livepatch-SLE15-SP6_Update_17-debugsource-8-150600.2.1

* kernel-livepatch-6_4_0-150600_23_60-default-17-150600.2.1

* kernel-livepatch-SLE15-SP6_Update_14-debugsource-13-150600.2.1

* kernel-livepatch-6_4_0-150600_23_92-default-5-150600.2.1

* kernel-livepatch-SLE15-SP6_Update_19-debugsource-8-150600.2.1

* kernel-livepatch-6_4_0-150600_23_84-default-8-150600.2.1

* kernel-livepatch-6_4_0-150600_23_53-default-debuginfo-19-150600.2.1

* kernel-livepatch-SLE15-SP6_Update_20-debugsource-7-150600.2.1

* kernel-livepatch-6_4_0-150600_23_84-default-debuginfo-8-150600.2.1

* kernel-livepatch-6_4_0-150600_23_87-default-7-150600.2.1

* kernel-livepatch-6_4_0-150600_23_78-default-8-150600.2.1

* kernel-livepatch-SLE15-SP6_Update_12-debugsource-19-150600.2.1

*...

Read the Full Advisory

References

* bsc#1260907

* bsc#1261640

* bsc#1263088

* bsc#1263902

* bsc#1266229

* bsc#1267625

* bsc#1268282

## References:

* https://www.suse.com/security/cve/CVE-2026-23278.html

* https://www.suse.com/security/cve/CVE-2026-31402.html

* https://www.suse.com/security/cve/CVE-2026-31504.html

* https://www.suse.com/security/cve/CVE-2026-31694.html

* 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=1260907

* https://bugzilla.suse.com/show_bug.cgi?id=1261640

* https://bugzilla.suse.com/show_bug.cgi?id=1263088

* https://bugzilla.suse.com/show_bug.cgi?id=1263902

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

* https://bugzilla.suse.com/show_bug.cgi?id=1267625

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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2532-1
Release Date: 2026-06-23T12:05:59Z
Affected Products: * openSUSE Leap 15.6 * SUSE Linux Enterprise Live Patching 15-SP6 * SUSE Linux Enterprise Live Patching 15-SP7 * SUSE Linux Enterprise Real Time 15 SP6 * SUSE Linux Enterprise Real Time 15 SP7 * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server 15 SP7 * SUSE Linux Enterprise Server for SAP Applications 15 SP6 * SUSE Linux Enterprise Server for SAP Applications 15 SP7

Topics%20covered

Topics Covered

security advisory important heap overflow kernel fix OpenSUSE

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here