[Bug 2102703] Re: UEFI dbx update does not apply

[Eugene Crosser]

It is not clear from the original report, but this may be result of this bug:
https://github.com/fwupd/fwupd/issues/8657

To check if this is indeed the problem, run this command:
    $ efibootmgr|grep Linux-Firmware-Updater
Correct result looks like this:
    Boot0002* Linux-Firmware-Updater	HD(1,GPT,6ccce482-e2c2-48ca-991e-608bee5d38af,0x800,0x100000)/File(\EFI\ubuntu\shimx64.efi) File(.\fwupdx64.efi)
If you do not see the trailing part "File(.\fwupdx64.efi)", that is it.
The bug is fixed in upstream version 2.0.8 It needs to be backported to plucky. Or, it is possible to fetch fwupd_2.0.8-3_amd64.deb and libfwupd3_2.0.8-3_amd64.deb from questing repo and install by hand.

If it is confirmed, this bug should get a tag "plucky-regression", and
backport requested.

** Bug watch added: github.com/fwupd/fwupd/issues #8657
   https://github.com/fwupd/fwupd/issues/8657

** Also affects: fwupd via
   https://github.com/fwupd/fwupd/issues/8657
   Importance: Unknown
       Status: Unknown

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https://bugs.launchpad.net/bugs/2102703

Title:
  UEFI dbx update does not apply

Status in Fwupd:
  Unknown
Status in fwupd package in Ubuntu:
  Incomplete

Bug description:
  Udate dos not get applied in both Discover and via terminal.

  ProblemType: Bug
  DistroRelease: Ubuntu 25.04
  Package: fwupd 2.0.6-4
  ProcVersionSignature: Ubuntu 6.14.0-10.10-generic 6.14.0-rc6
  Uname: Linux 6.14.0-10-generic x86_64
  ApportVersion: 2.32.0-0ubuntu2
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CurrentDesktop: KDE
  Date: Sat Mar 15 11:09:05 2025
  InstallationDate: Installed on 2025-03-14 (1 days ago)
  InstallationMedia: Kubuntu 25.04 "Plucky Puffin" - Daily amd64 (20250314)
  SourcePackage: fwupd
  UpgradeStatus: No upgrade log present (probably fresh install)
  modified.conffile..etc.fwupd.fwupd.conf: [inaccessible: [Errno 13] Permission denied: '/etc/fwupd/fwupd.conf']
  mtime.conffile..etc.fwupd.remotes.d.lvfs-testing.conf: 2025-03-15T08:31:44.999587
  mtime.conffile..etc.fwupd.remotes.d.lvfs.conf: 2025-03-15T08:31:45.032585

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