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authorAndrew Lutomirski <luto@amacapital.net>2014-04-16 21:41:34 -0700
committerDavid S. Miller <davem@davemloft.net>2014-04-22 12:49:39 -0400
commit78541c1dc60b65ecfce5a6a096fc260219d6784e (patch)
tree45afae9a1e20fbd72426404b1d110aef9cfd6104 /net/packet
parentb0bda3853266121363a5ad8c786fa82d233538c1 (diff)
net: Fix ns_capable check in sock_diag_put_filterinfo
The caller needs capabilities on the namespace being queried, not on their own namespace. This is a security bug, although it likely has only a minor impact. Cc: stable@vger.kernel.org Signed-off-by: Andy Lutomirski <luto@amacapital.net> Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/packet')
-rw-r--r--net/packet/diag.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/packet/diag.c b/net/packet/diag.c
index 533ce4ff108a..435ff99ba8c7 100644
--- a/net/packet/diag.c
+++ b/net/packet/diag.c
@@ -172,7 +172,7 @@ static int sk_diag_fill(struct sock *sk, struct sk_buff *skb,
goto out_nlmsg_trim;
if ((req->pdiag_show & PACKET_SHOW_FILTER) &&
- sock_diag_put_filterinfo(user_ns, sk, skb, PACKET_DIAG_FILTER))
+ sock_diag_put_filterinfo(sk, skb, PACKET_DIAG_FILTER))
goto out_nlmsg_trim;
return nlmsg_end(skb, nlh);