[GIT PULL] Kernel lockdown for secure boot

Linus Torvalds torvalds at linux-foundation.org
Tue Apr 3 20:53:06 UTC 2018

On Tue, Apr 3, 2018 at 9:29 AM, Matthew Garrett <mjg59 at google.com> wrote:
> On Tue, Apr 3, 2018 at 8:11 AM Andy Lutomirski <luto at kernel.org> 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?


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