Articles

  • An old Pixel rooting bug

    This post documents a Use-After-Free (UAF) issue in the Arm Mali GPU kernel driver that I discovered sometime in Oct-Nov 2022.

  • A Netfilter hole

    This post explores the root cause and exploitation of CVE-2022-32250, a vulnerability I exploited for a successful demonstration at Pwn2Own Vancouver 2022, and also the first vulnerability I discovered. The issue was used to achieve local privilege escalation on Ubuntu 22.04 kernel 5.15.0-30-release.