static unsigned int ip_sabotage_in(unsigned int hook, struct sk_buff *skb,
				   const struct net_device *in,
				   const struct net_device *out,
				   int (*okfn)(struct sk_buff *))
{
	if (skb->nf_bridge &&
	    !(skb->nf_bridge->mask & BRNF_NF_BRIDGE_PREROUTING)) {
		return NF_STOP;
	}

	return NF_ACCEPT;
}

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.