Thursday, September 11, 2025

[fedora-arm] Re: fedora with MS signed Secure Boot

On Wednesday, 10 September 2025 at 11:26, Peter Robinson via arm wrote:
> On Wed, 10 Sept 2025 at 09:40, Dominik 'Rathann' Mierzejewski via arm
> <arm@lists.fedoraproject.org> wrote:
[...]
> > Fedora on PineBook Pro kind of requires U-Boot to be stored in the SPI.
> > As for easy modification, does SecureBoot block writes to /dev/mtd0?
>
> No, Secureboot doesn't write to anywhere, it reads the next phase in
> the boot process, checks it's signed by the right keys and hasn't been
> modified.

I never said SecureBoot writes anywhere. I asked if the kernel prevents
the OS from writing to SPI if SecureBoot is active.

Thanks for the detailed description of the stack.

Regards,
Dominik
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