kernel: Bluetooth: af_bluetooth: Fix deadlock

A flaw was found in the Linux kernel’s Bluetooth subsystem, specifically within the afbluetooth module. The issue arises when attempting to perform a socklock on the .recvmsg method, leading to a deadlock situation. In this scenario, multiple tasks wait indefinitely for a resource, causing...

Information Disclosure

kernel-rt is vulnerable to information disclosure. The vulnerability exists as the btsockrecvmsg function in net/bluetooth/afbluetooth..c does not initialize a certain length variable...