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openSUSE: Kernel Important Bluetooth Disconnection Flaw SUSE-SU-2025:4281-1

opensuse
Calendar Grey November 27, 2025
Scroller Opensuse
Update for openSUSE addresses a critical security issue in Bluetooth kernel interactions, enhancing system safety.
An update that solves one vulnerability can now be installed.

Description

This update for the SUSE Linux Enterprise kernel 5.14.21-150400.24.173 fixes one

security issue

The following security issue was fixed:

* CVE-2023-53673: Bluetooth: hci_event: call disconnect callback before

deleting conn (bsc#1251983).

Topics%20covered

Topics Covered

security advisory important kernel Bluetooth OpenSUSE disconnection

Patch

## 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:

* openSUSE Leap 15.4

zypper in -t patch SUSE-2025-4281=1

* SUSE Linux Enterprise Live Patching 15-SP4

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2025-4281=1

Package List

* openSUSE Leap 15.4 (ppc64le s390x x86_64)

* kernel-livepatch-5_14_21-150400_24_173-default-debuginfo-5-150400.2.1

* kernel-livepatch-5_14_21-150400_24_173-default-5-150400.2.1

* kernel-livepatch-SLE15-SP4_Update_43-debugsource-5-150400.2.1

* SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)

* kernel-livepatch-5_14_21-150400_24_173-default-debuginfo-5-150400.2.1

* kernel-livepatch-5_14_21-150400_24_173-default-5-150400.2.1

* kernel-livepatch-SLE15-SP4_Update_43-debugsource-5-150400.2.1

References

* bsc#1251983

## References:

* https://www.suse.com/security/cve/CVE-2023-53673.html

* https://bugzilla.suse.com/show_bug.cgi?id=1251983

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:4281-1
Release Date: 2025-11-27T15:04:07Z
Affected Products: * openSUSE Leap 15.4 * SUSE Linux Enterprise High Performance Computing 15 SP4 * SUSE Linux Enterprise Live Patching 15-SP4 * SUSE Linux Enterprise Micro 5.3 * SUSE Linux Enterprise Micro 5.4 * SUSE Linux Enterprise Real Time 15 SP4 * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server for SAP Applications 15 SP4

Topics%20covered

Topics Covered

security advisory important kernel Bluetooth OpenSUSE disconnection

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