Re: [PATCH v4] certs: Add EFI_CERT_X509_GUID support for dbx entries
From: David Howells
Date: Wed Jan 27 2021 - 06:57:04 EST
Jarkko Sakkinen <jarkko@xxxxxxxxxx> wrote:
> > I suppose a user space tool could be created. But wouldn’t what is
> > currently done in the kernel in this area need to be removed?
>
> Right. I don't think this was a great idea in the first place to
> do to the kernel but since it exists, I guess the patch does make
> sense.
This information needs to be loaded from the UEFI tables before the system
starts loading any kernel modules or running any programs (if we do
verification of such, which I think IMA can do).
David