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ieee802154: enforce CAP_NET_RAW for raw sockets 

commit e69dbd4619e7674c1679cba49afd9dd9ac347eef upstream.

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>
[bwh: Backported to 3.16: adjust filename]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
CVE-2019-17052
Signed-off-by: Kevin F. Haggerty <haggertk@lineageos.org>
Change-Id: Idb2e9c9181c99e92d7faab05e29dacda942f9387
This commit is contained in:
Ori Nimron 2019-09-20 09:35:48 +02:00 committed by matteo0026
parent e5e23407c1
commit e00e138feb
1 changed files with 3 additions and 0 deletions
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3
net/ieee802154/af_ieee802154.c
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@ -253,6 +253,9 @@ 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;