Bluetooth: L2CAP: fix use-after-free in l2capconndel()
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 v4.19.265 by commit 7f7bfdd9a9af3b12c33d9da9a012e7f4d5c91f4b, it was introduced in version v4.19.255 by commit bbd1fdb0e1adf827997a93bf108f20ede038e56e. For more details please see the references link.