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SUSE Micro 6.0 Kernel Important Security Fix 2026-22731-1

suse
Calendar Grey July 22, 2026
Scroller Suse
An important update for SUSE Linux Micro addresses 24 security issues in the kernel. Install promptly for protection.
SUSE Linux Enterprise Micro 6.0 released a security update addressing 24 vulnerabilities, improving kernel stability and security with various fixes for important issues including ...

Summary

## This update for the SUSE Linux Enterprise Kernel 6.4.0-40.1 fixes various security issues The following security issues were fixed: * 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).

Topics%20covered

Topics Covered

security advisory security issue SuSE software update important kernel

References

* bsc#1260524

* bsc#1262759

* bsc#1263094

* bsc#1263118

* bsc#1263177

* bsc#1263670

* bsc#1264094

* bsc#1264252

* bsc#1264253

* bsc#1264567

* 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

* bsc#1269495

Cross-

* CVE-2026-23393

* CVE-2026-31505

* CVE-2026-31533

* CVE-2026-31570

* CVE-2026-31586

* CVE-2026-31685

* CVE-2026-31758

* CVE-2026-43025

* CVE-2026-43027

* CVE-2026-43037

* CVE-2026-43120

* CVE-2026-43190

* CVE-2026-43366

* CVE-2026-43437

* CVE-2026-43494

* CVE-2026-43501

* CVE-2026-45970

* CVE-2026-46120

* CVE-2026-46173

* CVE-2026-46227

* CVE-2026-46243

* CVE-2026-52909

* CVE-2026-52943

* CVE-2026-53362

CVSS scores:

* CVE-2026-23393 ( SUSE ): 7.3

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:22731-1
Release Date: 2026-07-16T08:59:27Z
Rating: important

Topics%20covered

Topics Covered

security advisory security issue SuSE software update important kernel

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