package grub-efi-amd64-signed 1.193.2+2.06-2ubuntu17.2 failed to install/upgrade: subproces van pakket grub-efi-amd64-signed werd script post-installation geïnstalleerd gaf de foutwaarde 1 terug

[Floris De Paepe]

Error during upgrade

 Cannot upgrade Secure Boot enforcement policy due to unsigned kernels │
  │ │
  │ Your system has UEFI Secure Boot enabled in firmware, and the following kernels present on your system are unsigned: │
  │ │
  │ 5.15.118-0515118-generic │
  │ 5.15.0-051500-generic │
  │

ProblemType: Package
DistroRelease: Ubuntu 23.04
Package: grub-efi-amd64-signed 1.193.2+2.06-2ubuntu17.2
ProcVersionSignature: Ubuntu 5.15.0-1052.58-realtime 5.15.131
Uname: Linux 5.15.0-1052-realtime x86_64
ApportVersion: 2.26.1-0ubuntu2.1
Architecture: amd64
CasperMD5CheckResult: pass
Date: Thu Dec 28 08:59:25 2023
ErrorMessage: subproces van pakket grub-efi-amd64-signed werd script post-installation geïnstalleerd gaf de foutwaarde 1 terug
InstallationDate: Installed on 2022-09-09 (474 days ago)
InstallationMedia: Ubuntu 22.04.1 LTS "Jammy Jellyfish" - Release amd64 (20220809.1)
Python3Details: /usr/bin/python3.11, Python 3.11.4, python3-minimal, 3.11.2-1
PythonDetails: N/A
RebootRequiredPkgs: Error: path contained symlinks.
RelatedPackageVersions:
 dpkg 1.21.21ubuntu1
 apt 2.6.0ubuntu0.1
SourcePackage: grub2-signed
Title: package grub-efi-amd64-signed 1.193.2+2.06-2ubuntu17.2 failed to install/upgrade: subproces van pakket grub-efi-amd64-signed werd script post-installation geïnstalleerd gaf de foutwaarde 1 terug
UpgradeStatus: Upgraded to lunar on 2023-12-28 (0 days ago)

[Julian Andres Klode (juliank)]

Hi,

it seems you already received all information necessary to resolve the issue in the message you quoted, this is a feature, not a bug, it's up to you to make sure third party kernels you install are appropriately signed.