[Bug 1996503] Autopkgtest regression report (shim-signed/1.51.1)

[Ubuntu SRU Bot]

All autopkgtests for the newly accepted shim-signed (1.51.1) for jammy have finished running.
The following regressions have been reported in tests triggered by the package:

edk2/2022.02-3ubuntu0.22.04.1 (armhf)


Please visit the excuses page listed below and investigate the failures, proceeding afterwards as per the StableReleaseUpdates policy regarding autopkgtest regressions [1].

https://people.canonical.com/~ubuntu-archive/proposed-
migration/jammy/update_excuses.html#shim-signed

[1] https://wiki.ubuntu.com/StableReleaseUpdates#Autopkgtest_Regressions

Thank you!

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https://bugs.launchpad.net/bugs/1996503

Title:
  shim 15.7-0ubuntu1

Status in shim package in Ubuntu:
  Fix Released
Status in shim-signed package in Ubuntu:
  Fix Released
Status in shim source package in Bionic:
  Fix Committed
Status in shim-signed source package in Bionic:
  Fix Committed
Status in shim source package in Focal:
  Fix Committed
Status in shim-signed source package in Focal:
  Fix Committed
Status in shim source package in Jammy:
  Fix Committed
Status in shim-signed source package in Jammy:
  Fix Committed
Status in shim source package in Kinetic:
  Fix Committed

Bug description:
  [Impact]
  New upstream release; shim security update CVE-2022-28737

  [Test plan]
  https://wiki.ubuntu.com/UEFI/SecureBoot/ShimUpdateProcess/TestPlan

  [Where problems could occur]
  Machines could become unbootable due to bugs as usual.

  Key rotations that require newer kernels can't enforce newer kernels
  being on the system prior to updates resulting in unbootable systems
  if kernels are not available.

  Requires the grub2-unsigned >= 2.04-1ubuntu47.4, >= 2.06-2ubuntu10 to be
  published to security and on each machine first too. Maybe should add Breaks to those (though you can set 'latest' policy and it would require upcoming grub uploads, so not _entirely_ useful).

  Also breaks fwupd.

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