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Its almost certainly a VirtualBox issue. I would suggest changing the graphics controller to one of the other options. I have my Linux VMs set to VMSVGA as that has had the fewest bugs.
If it makes you feel any better, VirtualBox 7 has had quite a few regressions specifically with the graphics stack and has caused problems with all of my VMs. My Windows 11 VM only rendered a black screen until 7.0.10 and all my other VMs are still using old versions of Guest Additions because of the instability with the newer versions.
There was this one from a couple years ago that was about self-driving cars and also sponsored by Waymo. Tom Nicholas made a video which IMO does a good job of covering the problems with that video, and the broader implications of this kind of content on YouTube.