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SUSE 15 SP7 Kernel RT Important Security Update 2026-2858-1

suse
Calendar Grey July 13, 2026
Dist Suse Esm H88
A critical security update resolves 24 vulnerabilities in the Kernel RT for SUSE Linux Enterprise 15 SP7. Install it now.
An update that solves 24 vulnerabilities can now be installed.

Summary

## This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.34 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 threat important kernel-rt

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-2026:2858-1
Release Date: 2026-07-11T04:04:32Z
Rating: important

Topics%20covered

Topics Covered

security advisory security issue SuSE threat important kernel-rt

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