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SUSE Kernel Important Live Patch 53 Five Issues Fixed 2026-2511-1

suse
Calendar Grey June 23, 2026
Dist Suse Esm H88
An important security update for the SUSE Linux Kernel addresses five critical issues. Install to protect your system.
An update that solves five vulnerabilities can now be installed.

Summary

## 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-2026-31402: 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). ## 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-SP4

Topics%20covered

Topics Covered

security advisory SuSE important kernel live patch five issues

References

* bsc#1261640

* bsc#1263088

* bsc#1263902

* bsc#1266229

* bsc#1268282

Cross-

* CVE-2026-31402

* CVE-2026-31504

* CVE-2026-31694

* 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-2026-31694 ( 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-2026:2511-1
Release Date: 2026-06-23T05:04:26Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE important kernel live patch five issues

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