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SUSE Linux Micro Kernel Important Security Update 2026-22043-1

suse
Calendar Grey June 9, 2026
Dist Suse Esm H88
Update addresses 38 vulnerabilities and 7 key fixes for SUSE Linux Micro kernel, recommended for installation.
An update that solves 38 vulnerabilities and has seven fixes can now be installed.

Summary

## The SUSE Linux Enterprise 16.0 kernel was updated to fix various security issues The following security issues were fixed: * CVE-2023-20585: iommu/amd: Use maximum Event log buffer size when SNP is enabled on Family 0x19 (bsc#1243603). * CVE-2026-3150: bcache: fix cached_dev.sb_bio use-after-free and crash (bsc#1263169). * CVE-2026-23359: bpf: Fix stack-out-of-bounds write in devmap (bsc#1260584). * CVE-2026-23380: tracing: Fix WARN_ON in tracing_buffers_mmap_close (bsc#1260539). * CVE-2026-23444: wifi: mac80211: always free skb on ieee80211_tx_prepare_skb() failure (bsc#1266307). * CVE-2026-31464: scsi: ibmvfc: Fix OOB access in ibmvfc_discover_targets_done() (bsc#1262656). * CVE-2026-31480: tracing: Fix potential deadlock in cpu hotplug with osnoise (bsc#1262634).

Topics%20covered

Topics Covered

security advisory security issue important Linux kernel CVE fixes SUSE Linux Micro

References

* bsc#1243603

* bsc#1260539

* bsc#1260584

* bsc#1261590

* bsc#1262634

* bsc#1262656

* bsc#1262668

* bsc#1262754

* bsc#1262755

* bsc#1262771

* bsc#1263067

* bsc#1263068

* bsc#1263102

* bsc#1263169

* bsc#1263769

* bsc#1263774

* bsc#1263908

* bsc#1264011

* bsc#1264014

* bsc#1264016

* bsc#1264063

* bsc#1264112

* bsc#1264300

* bsc#1264409

* bsc#1264437

* bsc#1264669

* bsc#1264716

* bsc#1264719

* bsc#1264720

* bsc#1264722

* bsc#1264726

* bsc#1264832

* bsc#1264989

* bsc#1265044

* bsc#1265110

* bsc#1265925

* bsc#1265928

* bsc#1266001

* bsc#1266238

* bsc#1266307

* bsc#1266395

* bsc#1266402

* bsc#1266414

* bsc#1266759

* bsc#1266765

Cross-

* CVE-2023-20585

* CVE-2026-23359

* CVE-2026-23380

* CVE-2026-23444

* CVE-2026-31464

* CVE-2026-31480

* CVE-2026-31483

* CVE-2026-31493

* CVE-2026-3150

* CVE-2026-31516

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:22043-1
Release Date: 2026-06-05T16:14:08Z
Rating: important

Topics%20covered

Topics Covered

security advisory security issue important Linux kernel CVE fixes SUSE Linux Micro

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