Linux Zero-Day Vulnerability Discovered Using Frontier AI - Bank Info Security

A remotely exploitable zero-day vulnerability, CVE-2025-37899, has been discovered in the Linux kernel's Server Message Block (SMB) protocol using OpenAI's o3 model. This critical flaw is identified as a use-after-free bug in the SMB 'logoff' command handler, allowing an object to be freed while still accessible by another thread.