Messages in this thread Patch in this message | | | From | Ben Hutchings <> | Date | Tue, 12 Nov 2019 23:48:17 +0000 | Subject | [PATCH 3.16 20/25] ieee802154: enforce CAP_NET_RAW for raw sockets |
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3.16.77-rc1 review patch. If anyone has any objections, please let me know.
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From: Ori Nimron <orinimron123@gmail.com>
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> --- net/ieee802154/af_ieee802154.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/net/ieee802154/af_ieee802154.c +++ b/net/ieee802154/af_ieee802154.c @@ -255,6 +255,9 @@ static int ieee802154_create(struct net switch (sock->type) { case SOCK_RAW: + rc = -EPERM; + if (!capable(CAP_NET_RAW)) + goto out; proto = &ieee802154_raw_prot; ops = &ieee802154_raw_ops; break;
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