diff options
| -rw-r--r-- | net/netfilter/nfnetlink.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c index 027f16af51a0..046aa13b4fea 100644 --- a/net/netfilter/nfnetlink.c +++ b/net/netfilter/nfnetlink.c @@ -363,13 +363,15 @@ static void nfnetlink_rcv(struct sk_buff *skb) struct net *net = sock_net(skb->sk); int msglen; - if (!ns_capable(net->user_ns, CAP_NET_ADMIN)) - return netlink_ack(skb, nlh, -EPERM); - if (nlh->nlmsg_len < NLMSG_HDRLEN || skb->len < nlh->nlmsg_len) return; + if (!ns_capable(net->user_ns, CAP_NET_ADMIN)) { + netlink_ack(skb, nlh, -EPERM); + return; + } + if (nlh->nlmsg_type == NFNL_MSG_BATCH_BEGIN) { struct nfgenmsg *nfgenmsg; |