Re: [RFC 2/2] initramfs with digital signature protection

[Matthew Garrett]

On Tue, Feb 05, 2013 at 06:19:26PM +0000, Matthew Garrett wrote:
> On Tue, Feb 05, 2013 at 02:34:50PM +0200, Dmitry Kasatkin wrote:
> 
> > Digitally signed initramfs can be used to provide protected user-space
> > environment for initialization purpose. For example, LSM, IMA/EVM can be
> > securely initialized using such approach.
> 
> What stops an attacker from simply removing the signed image from the 
> initramfs and running modified versions of the same tools from the 
> unsigned image?

I'm sorry, ignore that - if the kernel's configured to do this, it'll 
panic if it can't find the signed image. Ok.

-- 
Matthew Garrett | mjg59@xxxxxxxxxxxxx
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