linux-kernel - Re: [PATCH RFC 0/9] socket filtering using nf

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Message-ID: <20140312092707.GA4973@localhost>
Date:	Wed, 12 Mar 2014 10:27:07 +0100
From:	Pablo Neira Ayuso <pablo@...filter.org>
To:	Alexei Starovoitov <ast@...mgrid.com>
Cc:	Daniel Borkmann <dborkman@...hat.com>,
	netfilter-devel@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>,
	Network Development <netdev@...r.kernel.org>, kaber@...sh.net,
	Eric Dumazet <eric.dumazet@...il.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH RFC 0/9] socket filtering using nf_tables

On Wed, Mar 12, 2014 at 10:15:00AM +0100, Pablo Neira Ayuso wrote:
> > 7/9:
> > whole nft_expr_autoload() looks scary from security point of view.
> > If I'm reading it correctly, the code will do request_module() based on
> > userspace request to attach filter?
> 
> Only root can invoke that code so far.

Oops, this is obviously wrong. This request_module part needs a fix
indeed for the non-root part.
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