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| author | Ori Nimron <orinimron123@gmail.com> | 2019-09-20 09:35:48 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-10-05 12:47:44 +0200 |
| commit | 70f80cb205649c7350617ca79515b98419e90475 (patch) | |
| tree | 7491a6e1962767e231239a7886e97c24d933bffa /net | |
| parent | 6567debe7f9c0423e18a758060cc63ee69e2e7d0 (diff) | |
| download | linux-stable-70f80cb205649c7350617ca79515b98419e90475.tar.gz linux-stable-70f80cb205649c7350617ca79515b98419e90475.tar.bz2 linux-stable-70f80cb205649c7350617ca79515b98419e90475.zip | |
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 a60658c85a9a..e95004b507d3 100644 --- a/net/ieee802154/socket.c +++ b/net/ieee802154/socket.c @@ -1001,6 +1001,9 @@ 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; |