Re: [GIT PULL] Kernel lockdown for secure boot

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On Tue, Apr 3, 2018 at 1:53 PM Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx>
wrote:

> On Tue, Apr 3, 2018 at 9:29 AM, Matthew Garrett <mjg59@xxxxxxxxxx> wrote:
> > On Tue, Apr 3, 2018 at 8:11 AM Andy Lutomirski <luto@xxxxxxxxxx> wrote:
> >> Can you explain that much more clearly?  I'm asking why booting via
> >> UEFI Secure Boot should enable lockdown, and I don't see what this has
> >> to do with kexec.  And "someone blacklist[ing] your key in the
> >> bootloader" sounds like a political issue, not a technical issue.
> >
> > A kernel that allows users arbitrary access to ring 0 is just an
> > overfeatured bootloader. Why would you want secure boot in that case?

> .. maybe you don't *want* secure boot, but it's been pushed in your
> face by people with an agenda?

Then turn it off, or build a self-signed kernel that doesn't do this?
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