CVE-2025-21001
NixOS vulnerability analysis and mitigation

Overview

Improper access control in LeAudioService prior to SMR Jul-2025 Release 1 allows local attackers to stop broadcasting Auracast. The vulnerability was assigned CVE-2025-21001 and was reported on April 25, 2025. It affects Android versions 14 and 15 on Samsung mobile devices (Samsung Advisory).

Technical details

The vulnerability has been assigned a CVSS v3.1 Base Score of 5.5 MEDIUM with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N. The vulnerability stems from improper access control mechanisms in the LeAudioService component, which handles Auracast broadcasting functionality (NVD).

Impact

When exploited, this vulnerability allows local attackers to stop Auracast broadcasting on affected devices. This impacts the availability of the Auracast broadcasting feature, though it does not affect confidentiality or result in information disclosure (Samsung Advisory).

Mitigation and workarounds

Samsung has addressed this vulnerability by adding proper access control in the SMR Jul-2025 Release 1 security update. Users should update their devices to this version or later to mitigate the vulnerability (Samsung Advisory).

Additional resources


SourceThis report was generated using AI

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