netdev - Re: [PATCH] Add CAP_NET_RAW checks to bind() and sendmsg() on a AF

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Message-Id: <20100112.160330.13265292.davem@davemloft.net>
Date:	Tue, 12 Jan 2010 16:03:30 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	sri@...ibm.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] Add CAP_NET_RAW checks to bind() and sendmsg() on a
 AF_PACKET socket

From: Sridhar Samudrala <sri@...ibm.com>
Date: Tue, 12 Jan 2010 15:54:00 -0800

> So when a packet socket fd is passed to an un-privileged process, it
> can do a re-bind or send a message to any interface.

I think passing such fd's to an unprivileged process is a
very serious security hole.

There are so many anti-social things you can do with
that even if you control how it is bound.
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