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SubjectRe: [RFC] Second attempt at kernel secure boot support
On Wed, 31 Oct 2012, Alan Cox wrote:

> All this depends on your threat model. If I have physical access to
> suspend/resume your machine then you already lost. If I don't have
> physical access then I can't boot my unsigned OS to patch your S4 image
> so it doesn't matter.

Prepare (as a root) a hand-crafted image, reboot, let the kernel resume
from that artificial image.

It can be viewed as a very obscure way of rewriting the kernel through
/dev/mem (which is obviously not possible when in 'secure boot'
environment).

--
Jiri Kosina
SUSE Labs


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