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author | Ori Nimron <orinimron123@gmail.com> | 2019-09-20 10:35:48 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-10-05 13:30:15 +0300 |
commit | ddca1f39c8980cb19db5ea6d51b8549288a7421b (patch) | |
tree | e5ddbd61870d71c1fff31723f2a54873be6ca08a /net | |
parent | 73b8d26c842a5a3be34a321beab1f97939d9794b (diff) | |
download | linux-ddca1f39c8980cb19db5ea6d51b8549288a7421b.tar.xz |
ieee802154: enforce CAP_NET_RAW for raw sockets
[ 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>
Diffstat (limited to 'net')
-rw-r--r-- | net/ieee802154/socket.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ieee802154/socket.c b/net/ieee802154/socket.c index bf5d26d83af0..f66e4afb978a 100644 --- a/net/ieee802154/socket.c +++ b/net/ieee802154/socket.c @@ -1003,6 +1003,9 @@ 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; |