linux-kernel - Re: [GIT PULL] Load keys from signed PE binaries

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Message-ID: <CAPM=9twBA67kLADG4r51Q5me1AsLrHZeuTM4oSdkbKRmHGMtxA@mail.gmail.com>
Date:	Thu, 28 Feb 2013 07:31:57 +1000
From:	Dave Airlie <airlied@...il.com>
To:	"Theodore Ts'o" <tytso@....edu>, Peter Jones <pjones@...hat.com>,
	Dave Airlie <airlied@...il.com>,
	Greg KH <gregkh@...uxfoundation.org>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	David Howells <dhowells@...hat.com>,
	Florian Weimer <fw@...eb.enyo.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Josh Boyer <jwboyer@...hat.com>,
	Vivek Goyal <vgoyal@...hat.com>,
	Kees Cook <keescook@...omium.org>, keyrings@...ux-nfs.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [GIT PULL] Load keys from signed PE binaries

On Thu, Feb 28, 2013 at 1:24 AM, Theodore Ts'o <tytso@....edu> wrote:
> On Tue, Feb 26, 2013 at 11:54:51AM -0500, Peter Jones wrote:
>> No, no, no.  Quit saying nobody knows.  We've got a pretty good idea -
>> we've got a contract with them, and it says they provide the signing
>> service, and under circumstances where the thing being signed is found
>> to enable malware that circumvents Secure Boot
>
> The question is what does "malware that circuments Secure Boot" mean?
> Does starting up a hacked KVM and running Windows 8 under KVM so that
> malare can be injected count as circumenting Secure Boot?  If so, will
> you have to disable KVM, too?
>
> What if someone implements a virtualization bootkit for Windows 8.
> Will they revoke their own key?  Somehow, I doubt that....

Have you noticed that laptops rarely come with virtualisation enabled
in the BIOS?

Now you know why.

Dave.
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