struct fib6_table *fib6_new_table(struct net *net, u32 id)
{
	struct fib6_table *tb;

	if (id == 0)
		id = RT6_TABLE_MAIN;
	tb = fib6_get_table(net, id);
	if (tb)
		return tb;

	tb = fib6_alloc_table(net, id);
	if (tb)
		fib6_link_table(net, tb);

	return tb;
}

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