 static int do_tkill(pid_t tgid, pid_t pid, int sig)
 {
	struct siginfo info;
 
 	info.si_signo = sig;
 	info.si_errno = 0;
	info.si_code = SI_TKILL;
	info.si_pid = task_tgid_vnr(current);
	info.si_uid = from_kuid_munged(current_user_ns(), current_uid());

	return do_send_specific(tgid, pid, sig, &info);
}

This vulnerability category highlights issues in resource management where failures to properly release memory, file handles, or other resources can degrade system performance or enable denial-of-service conditions.