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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: netdev@vger.kernel.org
Cc: isdn@linux-pingi.de, jreuter@yaina.de, ralf@linux-mips.org,
	alex.aring@gmail.com, stefan@datenfreihafen.org,
	orinimron123@gmail.com,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: [PATCH 4/5] ieee802154: enforce CAP_NET_RAW for raw sockets
Date: Fri, 20 Sep 2019 09:35:48 +0200	[thread overview]
Message-ID: <20190920073549.517481-5-gregkh@linuxfoundation.org> (raw)
In-Reply-To: <20190920073549.517481-1-gregkh@linuxfoundation.org>

From: Ori Nimron <orinimron123@gmail.com>

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>
---
 net/ieee802154/socket.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/ieee802154/socket.c b/net/ieee802154/socket.c
index badc5cfe4dc6..d93d4531aa9b 100644
--- a/net/ieee802154/socket.c
+++ b/net/ieee802154/socket.c
@@ -1008,6 +1008,9 @@ 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;
-- 
2.23.0


  parent reply	other threads:[~2019-09-20  7:36 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-20  7:35 [PATCH 0/5] Raw socket cleanups Greg Kroah-Hartman
2019-09-20  7:35 ` [PATCH 1/5] mISDN: enforce CAP_NET_RAW for raw sockets Greg Kroah-Hartman
2019-09-20  7:35 ` [PATCH 2/5] appletalk: " Greg Kroah-Hartman
2019-09-20  7:35 ` [PATCH 3/5] ax25: " Greg Kroah-Hartman
2019-09-20  7:35 ` Greg Kroah-Hartman [this message]
2019-09-21 11:58   ` [PATCH 4/5] ieee802154: " Stefan Schmidt
2019-09-21 12:30     ` Greg Kroah-Hartman
2019-09-20  7:35 ` [PATCH 5/5] nfc: " Greg Kroah-Hartman
2019-09-24 14:38 ` [PATCH 0/5] Raw socket cleanups David Miller

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