This bug was fixed in the package virtualbox-hwe - 6.1.26-dfsg-3~ubuntu1.20.04.2
--------------- virtualbox-hwe (6.1.26-dfsg-3~ubuntu1.20.04.2) focal; urgency=medium * Revert drop of *guest-dkms packages for focal only. Such packages are still needed because kernel < 5.5. doesn't provide vboxsf (LP: #1944744) -- Gianfranco Costamagna <locutusofb...@debian.org> Fri, 24 Sep 2021 15:31:56 +0200 ** Changed in: virtualbox-hwe (Ubuntu Focal) Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1944744 Title: vboxsf missing in focal To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/virtualbox/+bug/1944744/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs