this post was submitted on 18 Jan 2025
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If I'm understading what I've been able to glean about this just by googling, it looks like the vulnerability is in certain tools that Microsoft has decided to sign with some of its UEFI secure boot keys. It's not a vulnerability in your UEFI firmware itself, except insofar as your UEFI firmware comes already configured to trust Microsoft's certificates. So even though the vulnerability isn't in your UEFI firmware per se, the fix will require revoking trust to keys that are almost definitely pre-installed in your UEFI firmware.
Ever looked at the list of pre-revoked certs that comes on a new mobo? It seems like this is not a new flavour of fuckup.