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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 14:09:32 +0300 |
| commit | dd651ab7a11436f787aed0a987c85864b261ff19 (patch) | |
| tree | 0ac4e9853f91f5b820e627074d4f5cc41bd71233 /net/ieee802154 | |
| parent | 6f0f18e532693ecc1e0c7938e0d63531ea62bc3e (diff) | |
| download | linux-dd651ab7a11436f787aed0a987c85864b261ff19.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/ieee802154')
| -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 bc6b912603f1..89819745e482 100644 --- a/net/ieee802154/socket.c +++ b/net/ieee802154/socket.c @@ -1018,6 +1018,9 @@ 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; |