The matching grub2-signed package has been released. If your system is failing to boot because of this, you will need to disable secureboot temporarily in your firmware in order to reinstall the package, or else boot from Ubuntu install media to reinstall the signed version of grub.
The matching grub2-signed package has been released. If your system is failing to boot because of this, you will need to disable secureboot temporarily in your firmware in order to reinstall the package, or else boot from Ubuntu install media to reinstall the signed version of grub.