Media File Attack Vector

[fsflover]

@janglingquo_575

Could media files downloaded via a browser or an encrypted messenger be used to compromise Dom0?

No. You only open files in VMs, and they don’t have GPU acceleration:

What are usages of GPU in Qubes OS?

Qubes does allow for the use of accelerated graphics (e.g. OpenGL) in dom0’s Window Manager, so all the fancy desktop effects should still work. App qubes use a software-only (CPU-based) implementation of OpenGL, which may be good enough for basic games and applications. From Faq Won’t good GPU enhance performance of APP qubes based on “software-only (CPU-based)” in above sentence? Will it help if I play video in APP qube? I think Qubes OS can’t display without dedicated GPU if CPU doesn’t …