Vulnerability of the `bfq_check_ioprio_change()` and `__bfq_bic_change_cgroup()` functions in the Linux operating system, allowing a hacker to trigger a service failure

The vulnerability of the bfqcheckiopriochange and bfqbicchangecgroup functions in the Linux kernel is related to the use of memory after deallocation. Exploiting this vulnerability can allow an attacker to cause a service failure...