[PATCH 4.14 051/185] ieee802154: enforce CAP_NET_RAW for raw sockets

[Greg Kroah-Hartman]

From: Ori Nimron <orinimron...@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 <orinimron...@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
Acked-by: Stefan Schmidt <ste...@datenfreihafen.org>
Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
 net/ieee802154/socket.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/net/ieee802154/socket.c
+++ b/net/ieee802154/socket.c
@@ -1001,6 +1001,9 @@ 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;