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SUSE Kernel Important Security Update 2026-2638-1 Fixing 21 Issues

suse
Calendar Grey June 26, 2026
Dist Suse Esm H88
Explore the SUSE security update fixing 21 issues, including critical vulnerabilities in the kernel. Rely on timely patches.
An update that solves 21 vulnerabilities and has two security fixes can now be installed.

Summary

## The SUSE Linux Enterprise 15 SP4 kernel was updated to fix various security issues The following security issues were fixed: * CVE-2025-10263: arm64: errata: Mitigate TLBI errata on various Arm CPUs (bsc#1266290). * CVE-2025-68324: scsi: imm: Fix use-after-free bug caused by unfinished delayed work (bsc#1255416). * CVE-2026-23392: netfilter: nf_tables: release flowtable after rcu grace period on error (bsc#1260531). * CVE-2026-31473: media: mc, v4l2: serialize REINIT and REQBUFS with req_queue_mutex (bsc#1262663). * CVE-2026-31500: Bluetooth: btintel: serialize btintel_hw_error() with hci_req_sync_lock (bsc#1262993). * CVE-2026-31613: smb: client: fix OOB reads parsing symlink error response (bsc#1263769). * CVE-2026-31697: crypto: ccp: Don't attempt to copy ID to userspace if PSP

Topics%20covered

Topics Covered

security advisory security issue SuSE important kernel system update

References

* bsc#1255416

* bsc#1258538

* bsc#1260531

* bsc#1262663

* bsc#1262993

* bsc#1263769

* bsc#1263879

* bsc#1263880

* bsc#1264076

* bsc#1264116

* bsc#1264470

* bsc#1264610

* bsc#1266214

* bsc#1266290

* bsc#1267214

* bsc#1267361

* bsc#1267369

* bsc#1267381

* bsc#1267387

* bsc#1267621

* bsc#1267640

* bsc#1267652

* bsc#1267697

Cross-

* CVE-2025-10263

* CVE-2025-68324

* CVE-2026-23392

* CVE-2026-31473

* CVE-2026-31500

* CVE-2026-31613

* CVE-2026-31697

* CVE-2026-31698

* CVE-2026-31699

* CVE-2026-31759

* CVE-2026-43077

* CVE-2026-43198

* CVE-2026-45984

* CVE-2026-46037

* CVE-2026-46116

* CVE-2026-46120

* CVE-2026-46123

* CVE-2026-46150

* CVE-2026-46159

* CVE-2026-46197

* CVE-2026-46227

CVSS scores:

* CVE-2025-10263 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2638-1
Release Date: 2026-06-26T06:37:49Z
Rating: important

Topics%20covered

Topics Covered

security advisory security issue SuSE important kernel system update

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