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SUSE Linux Micro 6.0 Kernel Important Security Update 2026-22685-1

suse
Calendar Grey July 20, 2026
Scroller Suse
Discover an important SUSE Linux security update addressing 21 significant issues including remote access threats and kernel vulnerabilities.
SUSE released an important security update for Linux Kernel 6.0, addressing 21 vulnerabilities, including critical issues related to netfilter, memory management, and RDMA

Summary

## This update for the SUSE Linux Enterprise Kernel 6.4.0-42.1 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-2026-31586: 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-2026-43025: netfilter: ctnetlink: ignore explicit helper on new expectations (bsc#1264253). * CVE-2026-43027: netfilter: nf_conntrack_helper: pass helper to expect

Topics%20covered

Topics Covered

security advisory security issue SuSE remote access important kernel

References

* bsc#1260524

* bsc#1262759

* bsc#1263094

* bsc#1263177

* bsc#1263670

* bsc#1264252

* bsc#1264253

* bsc#1264567

* bsc#1264849

* bsc#1265117

* 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-2026-31586

* CVE-2026-31685

* CVE-2026-43025

* CVE-2026-43027

* CVE-2026-43037

* CVE-2026-43120

* CVE-2026-43190

* CVE-2026-43366

* 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

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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:22685-1
Release Date: 2026-07-16T08:59:23Z
Rating: important

Topics%20covered

Topics Covered

security advisory security issue SuSE remote access important kernel

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