From mboxrd@z Thu Jan  1 00:00:00 1970
From: "H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
Subject: Re: Do not allow MSR or Embedded Controller writes from userspace
 in secure boot case
Date: Wed, 07 Nov 2012 23:50:35 +0100
Message-ID: <509AE5BB.7060908@zytor.com>
References: <1352323699-52400-1-git-send-email-trenn@suse.de> <20121107215403.GA7277@srcf.ucam.org>
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To: Matthew Garrett <mjg59-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>
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On 11/07/2012 10:54 PM, Matthew Garrett wrote:
> Is there a case where modifying MSRs or EC registers can cause arbitrary 
> code execution?

It definitely can't be ruled out.

	-hpa