kernel: use-after-free vulnerability in function sco_sock_sendmsg()

A flaw use-after-free in function scosocksendmsg of the Linux kernel HCI subsystem was found in the way user calls ioct UFFDIOREGISTER or other way triggers race condition of the call scoconndel together with the call scosocksendmsg with the expected controllable faulting memory page. A privilege...

The vulnerability of the sco_sock_sendmsg() function in the HCI subsystem of the Linux operating system allows a hacker to trigger an emergency shutdown of the system or increase their privileges.

The vulnerability of the scosocksendmsg function in the HCI subsystem of the Linux operating system is related to the use of memory after it is freed. Exploiting this vulnerability can allow an attacker to cause the system to terminate abnormally or increase their privileges...