Commit 3a359798 authored by Ori Nimron's avatar Ori Nimron Committed by David S. Miller
Browse files

nfc: enforce CAP_NET_RAW for raw sockets 



When creating a raw AF_NFC socket, CAP_NET_RAW needs to be checked
first.

Signed-off-by: default avatarOri Nimron <orinimron123@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e69dbd46

net/nfc/llcp_sock.c

+5 −2
Original line number Diff line number Diff line
@@ -1004,10 +1004,13 @@ static int llcp_sock_create(struct net *net, struct socket *sock, 
	    sock->type != SOCK_RAW)

		return -ESOCKTNOSUPPORT;



	if (sock->type == SOCK_RAW)

	if (sock->type == SOCK_RAW) {

		if (!capable(CAP_NET_RAW))

			return -EPERM;

		sock->ops = &llcp_rawsock_ops;

	else

	} else {

		sock->ops = &llcp_sock_ops;

	}



	sk = nfc_llcp_sock_alloc(sock, sock->type, GFP_ATOMIC, kern);

	if (sk == NULL)