diff options
| author | Ori Nimron <orinimron123@gmail.com> | 2019-09-20 09:35:48 +0200 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2019-11-15 00:56:54 +0000 |
| commit | b8a15d59a9b26a734f6d8d5f10376f336f7d021b (patch) | |
| tree | 77b2764ccee0daa85da00e555aa430c5ef626bdc | |
| parent | 2c675dab816278a1724c1e93b384c2f05a11cb31 (diff) | |
ieee802154: enforce CAP_NET_RAW for raw sockets
commit e69dbd4619e7674c1679cba49afd9dd9ac347eef upstream.
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>
[bwh: Backported to 3.16: adjust filename]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
| -rw-r--r-- | net/ieee802154/af_ieee802154.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ieee802154/af_ieee802154.c b/net/ieee802154/af_ieee802154.c index 351d9a94ec2f..bc262a3f46ba 100644 --- a/net/ieee802154/af_ieee802154.c +++ b/net/ieee802154/af_ieee802154.c @@ -255,6 +255,9 @@ static int ieee802154_create(struct net *net, struct socket *sock, switch (sock->type) { case SOCK_RAW: + rc = -EPERM; + if (!capable(CAP_NET_RAW)) + goto out; proto = &ieee802154_raw_prot; ops = &ieee802154_raw_ops; break; |