static void flush_backlog(void *arg)
{
	struct net_device *dev = arg;
	struct softnet_data *sd = &__get_cpu_var(softnet_data);
	struct sk_buff *skb, *tmp;

	rps_lock(sd);
	skb_queue_walk_safe(&sd->input_pkt_queue, skb, tmp) {
		if (skb->dev == dev) {
			__skb_unlink(skb, &sd->input_pkt_queue);
			kfree_skb(skb);
			input_queue_head_incr(sd);
		}
	}
	rps_unlock(sd);

	skb_queue_walk_safe(&sd->process_queue, skb, tmp) {
		if (skb->dev == dev) {
			__skb_unlink(skb, &sd->process_queue);
			kfree_skb(skb);
			input_queue_head_incr(sd);
		}
	}
}

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