Alerts This Week
Warning Icon 1 774
Alerts This Week
Warning Icon 1 774

SUSE Kernel Important Security Update Fixes CVE-2026-31402 2026-2518-1

suse
Calendar Grey June 23, 2026
Dist Suse Esm H88
SUSE Kernel important security update fixes multiple issues and vulnerabilities. Install to ensure system integrity and security compliance.
An update that solves four vulnerabilities can now be installed.

Summary

## This update for the SUSE Linux Enterprise Kernel 4.12.14-122.293 fixes various security issues The following security issues were fixed: * 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-2026-43503: final dirty.frag related fixes (bsc#1266229). * CVE-2026-46323: net: gro: don't merge zcopy skbs (bsc#1268282). ## 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 12-SP5 zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2026-2518=1 SUSE-SLE-Live-

Topics%20covered

Topics Covered

security advisory security issue SuSE important heap overflow kernel

References

* bsc#1261640

* bsc#1263088

* bsc#1266229

* bsc#1268282

Cross-

* CVE-2026-31402

* CVE-2026-31504

* CVE-2026-43503

* CVE-2026-46323

CVSS scores:

* CVE-2026-31402 ( SUSE ): 8.8

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N

* CVE-2026-31402 ( SUSE ): 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

* CVE-2026-31402 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-31504 ( SUSE ): 7.3

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

* CVE-2026-31504 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-31504 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-43503 ( SUSE ): 8.5

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2518-1
Release Date: 2026-06-23T07:33:50Z
Rating: important

Topics%20covered

Topics Covered

security advisory security issue SuSE important heap overflow kernel

Get the latest News and Insights

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

Your message here