A logic error in the Android Bluetooth stack allows a local attacker to achieve elevation of privilege by bypassing encryption on communication channels.

This vulnerability involves a logic error within Bluetooth communication handling, specifically affecting the encryption of avdtp and avctp channels. Exploitation requires local access with user execution privileges, though no user interaction is required to trigger the flaw.

Successful exploitation of this vulnerability allows a local attacker to escalate privileges on the affected device, potentially gaining full control over the system. Given the CVSS score of 7.8, this represents a high-severity risk that could lead to unauthorized data access, manipulation of system settings, or the installation of malicious software. The impact is significant because it undermines the fundamental security model of the mobile operating system.

Immediate Action: Apply the March 2025 Android Security Bulletin updates provided by Google or your specific device manufacturer to patch the Bluetooth component.

Proactive Monitoring: Monitor system logs for unusual Bluetooth activity or unexpected service process crashes that may indicate an attempt to interact with the vulnerable channels.

Compensating Controls: Ensure that device-level security policies, such as mandatory access control (MAC) and restricted permissions for third-party applications, are strictly enforced to minimize the potential for local privilege escalation.

Public Exploit Available: No

The severity of this vulnerability necessitates prompt action to secure mobile environments. Administrators and users should verify that their devices have received the March 2025 security patches to remediate the logic error in the Bluetooth stack, thereby closing the privilege escalation vector.