[Bug 1990326] Update Released

[Łukasz Zemczak]

The verification of the Stable Release Update for debian-installer has
completed successfully and the package is now being released to
-updates.  Subsequently, the Ubuntu Stable Release Updates Team is being
unsubscribed and will not receive messages about this bug report.  In
the event that you encounter a regression using the package from
-updates please report a new bug using ubuntu-bug and tag the bug report
regression-update so we can easily find any regressions.

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https://bugs.launchpad.net/bugs/1990326

Title:
  ubuntu server 20.04.5 cannot be installed after enable secure boot

Status in debian-installer package in Ubuntu:
  Invalid
Status in shim package in Ubuntu:
  Invalid
Status in debian-installer source package in Focal:
  Fix Released
Status in shim source package in Focal:
  Invalid

Bug description:
  Reproduce steps
  1. Enable secure boot in the UEFI.
  2. Fresh install ubuntu server 20.04.5 lts and latest daily build, but it fail with "An unauthorized EFI image is detected, please enroll this EFI image or disable secure boot ...."

  Others:
  1. Both ubuntu server 18.04.6 and 22.04 can be normal installed.

  It seem the key of 20.04.x has been added into the latest UEFI
  Revocation List File(Release Date: August 12,
  2022.https://uefi.org/revocationlistfile/archive).

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