linux-kernel - Re: [PATCH V3 05/11] asus-wmi: Restrict debugfs interface when module loading is restricted

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Message-ID: <alpine.LRH.2.02.1309041046340.20116@tundra.namei.org>
Date:	Wed, 4 Sep 2013 10:46:53 +1000 (EST)
From:	James Morris <jmorris@...ei.org>
To:	Matthew Garrett <matthew.garrett@...ula.com>
cc:	linux-kernel@...r.kernel.org, linux-efi@...r.kernel.org,
	keescook@...omium.org, hpa@...or.com
Subject: Re: [PATCH V3 05/11] asus-wmi: Restrict debugfs interface when module
 loading is restricted

On Tue, 3 Sep 2013, Matthew Garrett wrote:

> We have no way of validating what all of the Asus WMI methods do on a
> given machine, and there's a risk that some will allow hardware state to
> be manipulated in such a way that arbitrary code can be executed in the
> kernel, circumventing module loading restrictions. Prevent that if any of
> these features are enabled.
> 
> Signed-off-by: Matthew Garrett <matthew.garrett@...ula.com>

Reviewed-by: James Morris <jmorris@...ei.org>


-- 
James Morris
<jmorris@...ei.org>
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