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authorOri Nimron <orinimron123@gmail.com>2019-09-20 09:35:48 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-10-05 13:09:32 +0200
commitdd651ab7a11436f787aed0a987c85864b261ff19 (patch)
tree0ac4e9853f91f5b820e627074d4f5cc41bd71233 /net
parent6f0f18e532693ecc1e0c7938e0d63531ea62bc3e (diff)
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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.c3
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;