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

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Message-ID: <CAMuHMdU=EiqCkogQcY46UV8LzdKgYF6eG1Q91oyytnzZMY9esQ@mail.gmail.com>
Date:	Thu, 28 Feb 2013 07:27:21 +0100
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Dave Airlie <airlied@...il.com>
Cc:	"Theodore Ts'o" <tytso@....edu>, Peter Jones <pjones@...hat.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 Wed, Feb 27, 2013 at 10:31 PM, Dave Airlie <airlied@...il.com> wrote:
> 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.

I thought it was about market segmentation? Charge $$$ for the model with VT
enabled.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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