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Re: Debian 11 installer crashed and reboot

Started by"Thomas Schmitt" <scdbackup@gmx.net>
First post2021-08-24 09:00 +0200
Last post2021-08-24 15:40 +0200
Articles 2 — 2 participants

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  Re: Debian 11 installer crashed and reboot "Thomas Schmitt" <scdbackup@gmx.net> - 2021-08-24 09:00 +0200
    Re: Debian 11 installer crashed and reboot Chuck Zmudzinski <brchuckz@netscape.net> - 2021-08-24 15:40 +0200

#239278 — Re: Debian 11 installer crashed and reboot

From"Thomas Schmitt" <scdbackup@gmx.net>
Date2021-08-24 09:00 +0200
SubjectRe: Debian 11 installer crashed and reboot
Message-ID<CPyzD-MZ-1@gated-at.bofh.it>
Hi,

Chuck Zmudzinski wrote:
> I don't know when an official fix will come , but I have come up with
> a workaround that works for me:

Congrats. Great investigation work, as far as i can judge as bystander.

So it's only the initrd and not the kernel which spoils booting.
(I wonder whether Secure Boot would detect and refuse on a manipulated
kernel or initrd.)


Have a nice day :)

Thomas

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#239285

FromChuck Zmudzinski <brchuckz@netscape.net>
Date2021-08-24 15:40 +0200
Message-ID<CPEOK-4Z2-1@gated-at.bofh.it>
In reply to#239278
On 8/24/2021 2:51 AM, Thomas Schmitt wrote:
> Hi,
>
> Chuck Zmudzinski wrote:
>> I don't know when an official fix will come , but I have come up with
>> a workaround that works for me:
> Congrats. Great investigation work, as far as i can judge as bystander.
>
> So it's only the initrd and not the kernel which spoils booting.
> (I wonder whether Secure Boot would detect and refuse on a manipulated
> kernel or initrd.)
>
>
> Have a nice day :)
>
> Thomas
>

I suppose secure boot might fail but I am not using it in my Xen HVM.
I think the kernel and initrd would need to be digitally signed for
secure boot to be able to check them, and I think in Debian secure boot
only the grub boot loader is digitally signed, and my hack does not
change that. So it is possible Debian's secure boot would also work with
my hack to the initrd.

Cheers,

Chuck

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