Smashing the TLB for Fun and Profit - Exploring CPU Bugs in Virtual Memory Implementation

Explore a deep dive into CPU vulnerabilities and virtual memory implementation issues in this conference talk from Ekoparty 2023. Discover the journey of uncovering a 0day CPU bug affecting modern Intel processors, and venture into the unexplored realm of paging and TLB misbehaviors in contemporary CPUs. Learn how these hardware-level issues, once considered mere stability concerns, now pose significant security risks due to virtualization technologies like SLAT (EPT). Gain insights from seasoned security researchers Daniel Fernández Kuehr and Gottfrid Svartholm as they discuss the challenges of mitigating these hardware bugs and their potential impact on system security. Delve into the complexities of hypervisors, embedded systems, and safety-critical infrastructure while understanding the evolving landscape of CPU vulnerabilities and their implications for modern computing.