Kernel integrity check on boot

Ashish Kansara ashishnkansara at gmail.com
Thu Apr 28 22:23:07 UTC 2016


Sorry, didn't see this reply in the sea of unread emails! Thanks, I'll look
into those this weekend.

On Sat, Apr 23, 2016 at 12:23 PM, Tom H <tomh0665 at gmail.com> wrote:

> On Sat, Apr 23, 2016 at 6:13 AM, Ashish Kansara
> <ashishnkansara at gmail.com> wrote:
> >
> > I was looking at doing a clean install of 16.04, this time with block
> device
> > encryption using dm_crypt and LUKS, and was wondering if Ubuntu does any
> > kernel integrity check on boot.
> >
> > From what I understand, secureboot will only perform an integrity check
> on
> > the bootloader; the bootloader itself does not check the kernel hash.
> This
> > seems sort of counter-intuitive since /boot is not encrypted. Of course,
> > this is solved if a kernel integrity check is performed on boot.
>
> For secure boot:
> shim-signed
> grub-efi-amd64-signed
> linux-signed-image
>
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