Security Exploit requires layering with a Sys Admin Permission Exploit. Nuff said.

This so-called Firecracker exploit never explained how the Guest was able to write to the Host OS's Firecracker user mode process. If the write controlled by the guest to the host was that TCP/IP routing stack Exploit in the host OS's Linux kernel, this Firecracker Exploit is meaningless. The Guest already has unlimited control over the host OS.

I (and anyone) can do this exploit in 2-3 minutes using GDB or Visual Studio's C debugger tool. Freeze process, type new pointers into CPU context snap shot, click resume, Exploit done.