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SUSE Linux Enterprise 16 Kernel Important Security Update 2026-22288-1

suse
Calendar Grey June 29, 2026
Scroller Suse
SUSE Linux Enterprise 16 updates kernel with important fixes addressing multiple security issues.
An update that solves six vulnerabilities and has one fix can now be installed.

Summary

## This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.31.1 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-2026-31554: futex: Require sys_futex_requeue() to have identical flags (bsc#1263108). * 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). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like

Topics%20covered

Topics Covered

security advisory denial of service SuSE important kernel fix

References

* bsc#1261640

* bsc#1263088

* bsc#1263108

* bsc#1263902

* bsc#1266229

* bsc#1267625

* bsc#1268282

Cross-

* CVE-2026-31402

* CVE-2026-31504

* CVE-2026-31554

* 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-2026-31554 ( SUSE ): 8.5

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:22288-1
Release Date: 2026-06-26T08:14:10Z
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service SuSE important kernel fix

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