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SUSE Kernel Important Security Update- 102 Issues Fixed in 2026-2591-1

suse
Calendar Grey June 23, 2026
Dist Suse Esm H88
SUSE kernel security update released fixing 102 issues, addressing significant vulnerabilities and enhancing system security.
An update that solves 102 vulnerabilities and has 16 security fixes can now be installed.

Summary

## The SUSE Linux Enterprise 15 SP7 RT kernel was updated to fix various security issues The following security issues were fixed: * CVE-2025-38549: efivarfs: Fix memory leak of efivarfs_fs_info in fs_context error paths (bsc#1248235). * CVE-2025-68324: scsi: imm: Fix use-after-free bug caused by unfinished delayed work (bsc#1255416). * CVE-2026-3150: bcache: fix cached_dev.sb_bio use-after-free and crash (bsc#1263169). * CVE-2026-23303: smb: client: Don't log plaintext credentials in cifs_set_cifscreds (bsc#1260502). * CVE-2026-23327: cxl/mbox: validate payload size before accessing contents in cxl_payload_from_user_allowed() (bsc#1260548). * CVE-2026-23359: bpf: Fix stack-out-of-bounds write in devmap (bsc#1260584).

Topics%20covered

Topics Covered

security advisory security issue SuSE important memory leak kernel

References

* bsc#1248235

* bsc#1255416

* bsc#1258538

* bsc#1260502

* bsc#1260548

* bsc#1260584

* bsc#1261591

* bsc#1261619

* bsc#1261791

* bsc#1262606

* bsc#1262615

* bsc#1262619

* bsc#1262622

* bsc#1262624

* bsc#1262634

* bsc#1262649

* bsc#1262656

* bsc#1262663

* bsc#1262668

* bsc#1262755

* bsc#1263006

* bsc#1263068

* bsc#1263115

* bsc#1263122

* bsc#1263143

* bsc#1263152

* bsc#1263169

* bsc#1263319

* bsc#1263562

* bsc#1263724

* bsc#1263769

* bsc#1263774

* bsc#1263790

* bsc#1263883

* bsc#1263932

* bsc#1263945

* bsc#1264000

* bsc#1264011

* bsc#1264014

* bsc#1264040

* bsc#1264063

* bsc#1264091

* bsc#1264093

* bsc#1264124

* bsc#1264184

* bsc#1264243

* bsc#1264245

* bsc#1264255

* bsc#1264300

* bsc#1264409

* bsc#1264415

* bsc#1264430

* bsc#1264449

* bsc#1264476

* bsc#1264484

* bsc#1264551

* bsc#1264669

* bsc#1264671

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2591-1
Release Date: 2026-06-23T14:31:53Z
Rating: important

Topics%20covered

Topics Covered

security advisory security issue SuSE important memory leak kernel

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