From foo@baz Tue 01 Oct 2019 03:27:55 PM CEST From: Ori Nimron <orinimron123@gmail.com> Date: Fri, 20 Sep 2019 09:35:48 +0200 Subject: ieee802154: enforce CAP_NET_RAW for raw sockets From: Ori Nimron <orinimron123@gmail.com> [ Upstream commit e69dbd4619e7674c1679cba49afd9dd9ac347eef ] When creating a raw AF_IEEE802154 socket, CAP_NET_RAW needs to be checked first. Signed-off-by: Ori Nimron <orinimron123@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Stefan Schmidt <stefan@datenfreihafen.org> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- net/ieee802154/socket.c | 3 +++ 1 file changed, 3 insertions(+) --- a/net/ieee802154/socket.c +++ b/net/ieee802154/socket.c @@ -1008,6 +1008,9 @@ static int ieee802154_create(struct net switch (sock->type) { case SOCK_RAW: + rc = -EPERM; + if (!capable(CAP_NET_RAW)) + goto out; proto = &ieee802154_raw_prot; ops = &ieee802154_raw_ops; break;