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SUSE Linux Micro 6.0 Kernel Key Bluetooth User Challenges 2026-21293-2

suse
Calendar Grey April 27, 2026
Dist Suse Esm H88
# Security update for the Linux Kernel (Live Patch 5 for SUSE Linux Enterprise Micro 6.0) Announceme
An update that solves two vulnerabilities can now be installed.

Summary

## This update for the SUSE Linux Enterprise Kernel 6.4.0-25.1 fixes various security issues The following security issues were fixed: * CVE-2025-40309: Bluetooth: SCO: Fix UAF on sco_conn_free (bsc#1255066). * CVE-2026-23268: apparmor: fix unprivileged local user can do privileged policy management (bsc#1259859). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * SUSE Linux Micro 6.1 zypper in -t patch SUSE-SLE-Micro-6.1-kernel-355=1 ## Package List: * SUSE Linux Micro 6.1 (s390x x86_64) * kernel-livepatch-6_4_0-25-default-19-1.2 * kernel-livepatch-6_4_0-25-default-debuginfo-19-1.2

Topics%20covered

Topics Covered

security advisory important kernel Bluetooth issue local user issue SUSE Linux Micro

References

* bsc#1255066

* bsc#1259859

Cross-

* CVE-2025-40309

* CVE-2026-23268

CVSS scores:

* CVE-2025-40309 ( 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

* CVE-2025-40309 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-23268 ( 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

* CVE-2026-23268 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-23268 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:

* SUSE Linux Micro 6.1

An update that solves two vulnerabilities can now be installed.

##

* https://www.suse.com/security/cve/CVE-2025-40309.html

* https://www.suse.com/security/cve/CVE-2026-23268.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:21293-1
Release Date: 2026-04-22T17:00:43Z
Rating: important

Topics%20covered

Topics Covered

security advisory important kernel Bluetooth issue local user issue SUSE Linux Micro

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