static int ap_poll_thread_start(void)
{
	int rc;

	if (ap_using_interrupts() || ap_suspend_flag)
		return 0;
	mutex_lock(&ap_poll_thread_mutex);
	if (!ap_poll_kthread) {
		ap_poll_kthread = kthread_run(ap_poll_thread, NULL, "appoll");
		rc = PTR_RET(ap_poll_kthread);
		if (rc)
			ap_poll_kthread = NULL;
	}
	else
		rc = 0;
	mutex_unlock(&ap_poll_thread_mutex);
	return rc;
}

This category addresses vulnerabilities caused by flawed access control mechanisms, where incorrect permission settings allow unauthorized users to access restricted resources.