From 46d01d63221c3508421dd72ff9c879f61053cffc Mon Sep 17 00:00:00 2001 From: Chad Hanson Date: Mon, 23 Dec 2013 17:45:01 -0500 Subject: [PATCH] selinux: fix broken peer recv check Fix a broken networking check. Return an error if peer recv fails. If secmark is active and the packet recv succeeds the peer recv error is ignored. Signed-off-by: Chad Hanson Cc: stable@vger.kernel.org Signed-off-by: Paul Moore --- security/selinux/hooks.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 419491d8e7d2..5db26468b5c3 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -4334,8 +4334,10 @@ static int selinux_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) } err = avc_has_perm(sk_sid, peer_sid, SECCLASS_PEER, PEER__RECV, &ad); - if (err) + if (err) { selinux_netlbl_err(skb, err, 0); + return err; + } } if (secmark_active) {