Zero-Click Bluetooth Vulnerability Exploits HFP/A2DP via L2CAP Session Preemption

The post describes a zero-click vulnerability affecting Bluetooth devices using HFP (Hands-Free Profile) and A2DP (Advanced Audio Distribution Profile). The attack exploits L2CAP (Logical Link Control and Adaptation Protocol) session preemption to hijack active connections. No user interaction is required for exploitation. The linked paste contains technical details about the flaw.