Wongi Lee

• Linux kernel vulnerability analysis and exploitation
• Dreamhack lecture and wargame authoring
• Wargame level design

• Analysis of a multi-task race condition in vsock, a Linux kernel subsystem (CVE-2024-50264)
• Introduction and demonstration of an attack using various exploitation techniques, including cross-CPU allocation and JIT spray section overwrite

• Introduction of a Linux kernel exploitation technique using cross-CPU allocation when cross-cache is required but CPU migration is prevented by a preempt-disabled context
• Introduction of WakeROP, a technique for performing a stack pivot under constrained conditions

Found bugs and contributed patches across Chromium and third-party components.

• Managed content and booth operations for the CTF session and community booth
• Gave a conference talk on how to study hacking

Found Linux kernel bugs and contributed patches and disclosures.

• Cold Fusion team operations
• Tooling development for attack-and-defense CTFs, including DEF CON and HITCON

Authored lectures on Linux, Windows, and browser internals and exploitation techniques.

Created wargames and designed levels for the Dreamhack platform