Oracle Linux: Secure Boot Enabled System Fails to Boot After Recent grub2/shim-x64 update: .../vmlinuz-4.18.0-372.9.1.el8.x86_64 has invalid signature
(Doc ID 2880316.1)
Last updated on JULY 15, 2022
Linux OS - Version Oracle Linux 7.0 and later Linux x86-64
An Oracle Linux 7 or 8 (OL7/8) Secure Boot enabled system, running the Red Hat Compatible Kernel (RHCK) in this instance, is updated to apply latest available patches. Upon rebooting the system into the same kernel as before the update, the system fails to boot. The following error is displayed to the system console:
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