Vulnerabilities in old shims break UEFI Secure Boot yet again. This is exactly why Purism uses PureBoot instead:
https://arstechnica.com/security/2026/07/microsoft-secure-boot-has-been-broken-for-most-of-its-existence/
https://puri.sm/posts/pureboot-not-vulnerable-to-uefi-exploits-again/
@purism @mjg59 would like to have a word with you xD
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@purism @mjg59 would like to have a word with you xD