Analysis of VirtualBox CVE-2023-21987 and CVE-2023-21991

Introduction Hi, I am Trung (xikhud). Last month, I joined Qrious Secure team as a new member, and my first target was to find and reproduce the security bugs that @bienpnn used at the Pwn2Own Vancouver 2023 to escape the VirtualBox VM. Since VirtualBox is an open-source software, I can just downloa...