Two Silverblue systems here got hit by the secure boot signature bootloader bug on the upgrade that brought in a new kernel. Good thing there are rollbacks (to boot an older version) and a workaround.

Issue: github.com/fedora-silverblue/i…

Workaround to keep using secure boot (run these commands on a working boot): github.com/fedora-silverblue/i…

Hopefully there's an automatic fix soon? ('bootupd' should be the long term fix for this.)

#Silverblue #Kinoite #Fedora #Atomic #FedoraAtomic #Linux

Boot fails with "vmlinuz has invalid signature" or "bad shim signature, you need to load the kernel first" · Issue #543 · fedora-silverblue/issue-tracker

Current workaround See #543 (comment) Original issue text Describe the bug Trying to rebase an existing SB39 to SB40 fails to boot showing vmlinuz-6.8.1-300.fc40.x86.x64 has invalid signature. you ...

^GitHub