Re: Dual boot failure after Windows update?

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> On 30 Aug 2024, at 13:53, Matthew Saltzman <mjs@xxxxxxxxxxx> wrote:
> 
> Microsoft's August security update included a patch to prevent
> vulnerable GRUB2 (susceptible to bypassing UEFI secure boot)
> installations from booting. 
> 
> https://www.omgubuntu.co.uk/2024/08/windows-update-breaking-linux-dualboot-fix
> 
> The update was supposed to not install on already-configured dual boot
> systems, but that apparently failed, so lots of dual-boot systems had
> their Linux boot blocked after the update.
> 
> I wondered if up-to-date Fedora users were affected by this issue.
> Would like to know before I apply Windows updates whether I will need
> to deal with it.
> 
> TIA for any information, experiences.

Fedora is not affected, I understand, because Fedora patched, about 2 years ago, soon after the security issue was discovered.

Some distributions have not been updating the installed grub which is why those systems were affected.

And as you say Microsoft has a bug in their update that did update the SBAT on some dual boot systems.

Barry


> 
> -- 
> Matthew Saltzman
> School of Mathematical and Statistical Sciences
> Clemson University
> mjs AT clemson DOT edu
> -- 
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