Explore the hidden security risks of GPUs in this Black Hat conference talk. Delve into the complex world of GPU programming, uncovering potential vulnerabilities in shared memory access, graphics APIs, and vendor-specific implementations. Learn about recently discovered privilege escalation and DoS vulnerabilities affecting popular devices, as presented by Justin Taft from NCC Group. Gain insights into GPU command processors, memory vulnerabilities, and permission checks. Watch live and pre-recorded demonstrations showcasing these security issues in action.
Overview
Syllabus
Intro
Overview
Shared Memory
What are MMU
What are IOMM
What are Shared Memory
Shared Memory Example
GPU Command Processor
GPU Memory Vulnerability
GPU Memory Permission Check
Exploit
Dynamic Libraries
Live Demonstration
Prerecord Demonstration
Thanks
Taught by
Black Hat
