netdev - Re: [PATCH 2/2] [RFC] netlink: fix possible spoofing from non-root processes

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Message-Id: <20120822.215316.2237073843517796376.davem@davemloft.net>
Date:	Wed, 22 Aug 2012 21:53:16 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	pablo@...filter.org
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH 2/2] [RFC] netlink: fix possible spoofing from non-root
 processes

From: Pablo Neira Ayuso <pablo@...filter.org>
Date: Mon, 20 Aug 2012 21:09:15 +0200

> On Sun, Aug 19, 2012 at 11:23:27PM +0200, Pablo Neira Ayuso wrote:
>> On Fri, Aug 17, 2012 at 07:22:29PM +0200, pablo@...filter.org wrote:
>> [...]
>> > [ I don't know any FOSS program making use of Netlink to communicate
>> >   to processes, please, let me know if I'm missing anyone important ]
>> 
>> Patrick pinged me for little reminder on NETLINK_USERSOCK. We still
>> have to allow netlink-to-netlink userspace communication for it.
>> 
>> So, please find a new version of this patch that allows non-root
>> processes for that Netlink bus. For others, my patch restricts to root
>> processes the ability of sending messages with dst_pid != 0.
> 
> Sorry, I just noticed that you cannot apply this to your net tree
> since it depends on patch 1/2 which is not a fix.
> 
> I'll get back to you with one path that you can apply to your net
> tree.
> 
> I'll resend 1/2 later to net-next once this has been sorted out.

Ok, waiting for new versions of these patches, thanks.
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