logoalt Hacker News

LeBityesterday at 10:49 AM1 replyview on HN

What do you mean by "It doesn’t provide isolation" ? How so ?


Replies

srcreighyesterday at 12:51 PM

This post explains how a GPT agent broke out of qemu VM. It could not break out of firecracker.

https://blog.trailofbits.com/2026/08/26/vms-wont-contain-cyb...

Why? Firecracker mounts very few host systems into the VM, exposing minimal host code to malicious guests. Qemu and smolvm expose much more.

So yeah, smolvm is more like a docker or qemu alternative, definitely useful but NOT relevant to the discussion of sandboxing malicious code

show 1 reply