This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1798441
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1798441
Title:
Allow signed kernels to be kexec'ed under lockdown
Status in linux package in Ubuntu:
Incomplete
Status in linux source package in Bionic:
In Progress
Bug description:
[Impact]
Under kernel lockdown, one can't kexec unless it's using kexec_file_load with
a signed kernel.
[Test case]
It was verified that a signed kernel could be loaded with kexec -s, and
properly booted.
[Regression Potential]
A security issue, as we allow more kernels to be loaded than we would like
to. Though, that's already the case in cosmic.
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