SBAT Revocations: Boot Process

[juliank]

For the recent Windows-triggered revocation, see the following thread:

SBAT self-check failed: Mitigating the impact of shim 15.7 revocation on the Ubuntu boot process for devices running Windows

On 20th August 2024, Windows released a software patch that revoked shims older than 15.8. The shim is an upstream component consumed by multiple Linux distros, including Ubuntu. Which Ubuntu users are affected Any user intending to install any version of Ubuntu on hardware that currently runs Windows, with secure boot enabled, and the relevant update installed. Existing dual-boot setups of any Ubuntu release except for 24.04 LTS, alongside Windows, that has secure boot enabled and has receive…