int udp_seq_open(struct inode *inode, struct file *file)
{
	struct udp_seq_afinfo *afinfo = PDE_DATA(inode);
	struct udp_iter_state *s;
	int err;

	err = seq_open_net(inode, file, &afinfo->seq_ops,
			   sizeof(struct udp_iter_state));
	if (err < 0)
		return err;

	s = ((struct seq_file *)file->private_data)->private;
	s->family		= afinfo->family;
	s->udp_table		= afinfo->udp_table;
	return err;
}

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.