Android 13 Virtualization Hack Runs Windows (and Doom) In a VM On Android

An anonymous reader quotes a report from Ars Technica: Here's a fun new feature of Android 13: working virtualization support. Google is building virtualization into Android for its own reasons, but Android developer kdrag0n has commandeered the feature to boot ARM Windows 11 and desktop Linux. The developer even got the Windows version of Doom running, all inside a VM on the Pixel 6. kdrag0n says that Android 13 has 'full KVM functionality' at 'near-native performance.' You need root to enable the functionality, which doesn't support GPU acceleration. The functionality also doesn't support nested virtualization, so while you can now run Android on Windows and Windows on Android, making an infinitely nested OS turducken is out of the question.

This makes for a neat demo that's not at all what Google wants to do with Android's upcoming VM support. Esper's Mishaal Rahman has been meticulously tracking Android's virtualization progress for some time now, and the apparent plan is to someday (maybe in Android 13) use virtual machines as a security and privacy sandbox for various features. Imagine instead of processing sensitive data at the normal app permission level, the data could be processed in a separate OS, so any attackers would have to break through the app security model, then Android, then the hypervisor, then this other, private OS.

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