netdev - Re: [PATCH next v0] bonding: Display LACP info only to CAP_SYS

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Message-ID: <20150611140935.6533fb7c@urahara>
Date:	Thu, 11 Jun 2015 14:09:35 -0700
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	Mahesh Bandewar <maheshb@...gle.com>
Cc:	Jay Vosburgh <j.vosburgh@...il.com>,
	Andy Gospodarek <andy@...yhouse.net>,
	Veaceslav Falico <vfalico@...il.com>,
	Nikolay Aleksandrov <nikolay@...hat.com>,
	David Miller <davem@...emloft.net>,
	netdev <netdev@...r.kernel.org>,
	Eric Dumazet <edumazet@...gle.com>,
	Maciej Zenczykowski <maze@...gle.com>
Subject: Re: [PATCH next v0] bonding: Display LACP info only to
 CAP_SYS_ADMIN capable user

On Wed, 10 Jun 2015 17:19:56 -0700
Mahesh Bandewar <maheshb@...gle.com> wrote:

> Actor and Partner details can be accessed via proc-fs and sys-fs
> entries. These interfaces are world readable at this moment. The
> earlier patch-series made the LACP communication secure to avoid
> nuisance attack from within the same L2 domain but it did not
> prevent "someone unprivileged" looking at that information on host
> and perform the same act.
> 
> This patch essentially avoids spitting those entries if the user
> in question does not have enough privileges.
> 
> Signed-off-by: Mahesh Bandewar <maheshb@...gle.com>

I would think you want CAP_NET_ADMIN for this?
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