linux-kernel - Re: [PATCH V3 10/11] x86: Restrict MSR access when module loading is restricted

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Message-ID: <alpine.LRH.2.02.1309041049000.20116@tundra.namei.org>
Date:	Wed, 4 Sep 2013 10:49:13 +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 10/11] x86: Restrict MSR access when module loading
 is restricted

On Tue, 3 Sep 2013, Matthew Garrett wrote:

> Writing to MSRs should not be allowed if module loading is restricted,
> since it could lead to execution of arbitrary code in kernel mode. Based
> on a patch by Kees Cook.
> 
> Cc: Kees Cook <keescook@...omium.org>
> 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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