netdev - Re: [PATCH] net: clear heap allocation for ETHTOOL

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Message-Id: <20101008.104902.115943646.davem@davemloft.net>
Date:	Fri, 08 Oct 2010 10:49:02 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	bhutchings@...arflare.com
Cc:	kees.cook@...onical.com, linux-kernel@...r.kernel.org,
	jgarzik@...hat.com, jeffrey.t.kirsher@...el.com,
	peter.p.waskiewicz.jr@...el.com, netdev@...r.kernel.org
Subject: Re: [PATCH] net: clear heap allocation for ETHTOOL_GRXCLSRLALL

From: Ben Hutchings <bhutchings@...arflare.com>
Date: Thu, 07 Oct 2010 21:28:58 +0100

> On Thu, 2010-10-07 at 13:03 -0700, Kees Cook wrote:
>> Calling ETHTOOL_GRXCLSRLALL with a large rule_cnt will allocate kernel
>> heap without clearing it. For the one driver (niu) that implements it,
>> it will leave the unused portion of heap unchanged and copy the full
>> contents back to userspace.
>> 
>> Cc: stable@...nel.org
>> Signed-off-by: Kees Cook <kees.cook@...onical.com>
> 
> Acked-by: Ben Hutchings <bhutchings@...arflare.com>

Applied and queued up for -stable, thanks.
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