Comment 17 for bug 1788727

Isn't this a big security issue?

On Tue, Oct 2, 2018 at 12:25 AM Steve Kowalik <email address hidden> wrote:

> I hit this last night, it didn't impact booting, but it did fail the
> upgrade, which I had to fix up post-reboot with dpkg --configure -a.
> This should not be necessary. The problem is the *running* kernel from
> 16.04 is unsigned, and that is what the postinst complains about. I
> would welcome an SRU to 16.04 adding a signed kernel.
>
> --
> You received this bug notification because you are subscribed to a
> duplicate bug report (1788864).
> https://bugs.launchpad.net/bugs/1788727
>
> Title:
> upgrade crashing due to unsigned kernels
>
> Status in grub2 package in Ubuntu:
> Confirmed
>
> Bug description:
> not surre happened during upgrade to bionic beaver
>
> ProblemType: Package
> DistroRelease: Ubuntu 18.04
> Package: grub-efi-amd64 2.02-2ubuntu8.3
> Uname: Linux 4.7.0-040700-generic x86_64
> NonfreeKernelModules: nvidia
> ApportVersion: 2.20.9-0ubuntu7.2
> Architecture: amd64
> Date: Thu Aug 23 19:33:07 2018
> ErrorMessage: installed grub-efi-amd64 package post-installation script
> subprocess returned error exit status 1
> InstallationDate: Installed on 2018-05-30 (85 days ago)
> InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64
> (20160420.1)
> ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.7.0-040700-generic
> root=UUID=d9d727a6-5798-4fe1-8ac0-fb79b1d05431 ro quiet splash vt.handoff=7
> Python3Details: /usr/bin/python3.6, Python 3.6.5, python3-minimal,
> 3.6.5-3ubuntu1
> PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, python-minimal,
> 2.7.15~rc1-1
> RelatedPackageVersions:
> dpkg 1.19.0.5ubuntu2
> apt 1.6.3ubuntu0.1
> SourcePackage: grub2
> Title: package grub-efi-amd64 2.02-2ubuntu8.3 failed to install/upgrade:
> installed grub-efi-amd64 package post-installation script subprocess
> returned error exit status 1
> UpgradeStatus: Upgraded to bionic on 2018-08-23 (0 days ago)
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1788727/+subscriptions
>

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