OpenAI’s o3 Model Helps Researcher Discover Critical Zero-Day Linux SMB Vulnerability
Introduction In a breakthrough for AI-assisted cybersecurity, researcher Sean Heelan successfully uncovered a critical zero-day vulnerability in the Linux kernel’s Server Message Block (SMB) stack using OpenAI’s advanced o3 AI model. This previously unknown security flaw, now tracked as CVE-2025-37899, involves a use-after-free bug in the Linux SMB ‘logoff’ command handler and poses serious…
















