There is an updated pull request by pullmoll against master on the void-packages repository

https://github.com/pullmoll/void-packages vbox
https://github.com/void-linux/void-packages/pull/24725

virtualbox-ose: update to 6.1.14
Now the build succeeds after a required change in LocalConfig.kmk
adding the line "VBOX_WITH_VIRTIO =". It then fails short after
kBuild: Generating lots of files from /builddir/VirtualBox-6.1.14/out/linux.amd64/release/obj/webservice/gsoapH_from_xslt.h


A patch file from https://github.com/void-linux/void-packages/pull/24725.patch is attached