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SUSE Linux Enterprise 16 Core Key Security Update SUSE-SU-2026-21501-6

suse
Calendar Grey April 28, 2026
Dist Suse Esm H88
SUSE Linux Enterprise Security Advisory for kernel update fixing important vulnerabilities regarding Bluetooth and AppArmor.
An update that solves two vulnerabilities can now be installed.

Summary

## This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.5.1 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 Enterprise Server for SAP applications 16.0 zypper in -t patch SUSE-SLES-16.0-630=1 * SUSE Linux Enterprise Server 16.0 zypper in -t patch SUSE-SLES-16.0-630=1 ## Package List: * SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)

Topics%20covered

Topics Covered

security advisory local privilege SuSE important kernel bluetooth uaf

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 Enterprise Server 16.0

* SUSE Linux Enterprise Server for SAP applications 16.0

An update that solves two vulnerabilities can now be installed.

##

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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:21385-1
Release Date: 2026-04-22T23:22:40Z
Rating: important

Topics%20covered

Topics Covered

security advisory local privilege SuSE important kernel bluetooth uaf

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