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openSUSE: Kernel Important Bluetooth Disconnect Flaw 2025:4242

Linuxsecurity •LinuxSecurity Advisories • November 26, 2025

This update for the SUSE Linux Enterprise kernel 5.14.21-150400.24.179 fixes one security issue The following security issue was fixed: * CVE-2023-53673: Bluetooth: hci_event: call disconnect callback before deleting conn (bsc#1251983).

## 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-2025-4242=1 * SUSE Linux Enterprise Live Patching 15-SP4 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2025-4242=1

* openSUSE Leap 15.4 (ppc64le s390x x86_64) * kernel-livepatch-5_14_21-150400_24_179-default-debuginfo-2-150400.2.1 * kernel-livepatch-5_14_21-150400_24_179-default-2-150400.2.1 * kernel-livepatch-SLE15-SP4_Update_45-debugsource-2-150400.2.1 * SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64) * kernel-livepatch-5_14_21-150400_24_179-default-debuginfo-2-150400.2.1 * kernel-livepatch-5_14_21-150400_24_179-default-2-150400.2.1 * kernel-livepatch-SLE15-SP4_Update_45-debugsource-2-150400.2.1

* bsc#1251983 ## References: * *

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

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openSUSE: Kernel Important Bluetooth Disconnect Flaw 2025:4242

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