There's a merged pull request on the void-packages repository

virtualbox-ose: fix DKMS w/ linux-5.10; dbus hint
https://github.com/void-linux/void-packages/pull/27256

Description:
Fix DKMS with linux-5.10 and add check for dbus from #25277.

Closes: #25277

[ci skip]

https://www.virtualbox.org/ticket/20055
DKMS builds but is not yet tested because I can't currently boot into 5.10. Anyone?