Bluetooth: L2CAP: fix use-after-free in l2cap_conn_del()
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.78 by commit a3a7b2ac64de232edb67279e804932cb42f0b52a, it was introduced in version v5.15.59 by commit f32d5615a78a1256c4f557ccc6543866e75d03f4. For more details please see the references link.