Sounds like bug 1844101. Although this bug is newer I feel the details in bug 1844101 are more useful.
** Tags added: eoan regression-release rls-ee-incoming -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1843860 Title: 5.3.0-10 doesn't boot on my t480s with secure boot enabled Status in linux package in Ubuntu: Confirmed Bug description: I have no further information, sadly. The boot stops at the message "EFI stub: UEFI Secure Boot is enabled". Disabling secure boot or selecting an older kernel both work fine. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1843860/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp

