It might be that one needs to restart the box. I have removed the vboxdrv module then modprobed it again, and the device was created with the proper ownership and mode:
$ ls -l /dev/vboxdrv crw-rw----+ 1 root vboxusers 10, 62 2008-02-18 16:17 /dev/vboxdrv -- /dev/vboxdrv not owned by vboxusers https://bugs.launchpad.net/bugs/147076 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
