The vulnerabilities of the functions l2cap_register_user() and l2cap_unregister_user() in the net/bluetooth/l2cap_core.c module of the Linux kernel’s Bluetooth subsystem allow a malicious actor to cause service failures.

The vulnerability of the functions l2capregisteruser and l2capunregisteruser in the net/bluetooth/l2capcore.c module of the Linux kernel’s Bluetooth subsystem is related to synchronization errors when using shared resources. Exploiting this vulnerability could allow a attacker to cause service...