CopyFail Linux Root, AI Jailbreak & Emerging AI Security Platforms Today's Highlights A critical new Linux kernel vulnerability, CopyFail, allows trivial root access, while in AI security, a new jailbreak technique has emerged alongside significant releases of advanced defensive AI tools from major vendors. Copy Fail exploit lets 732 bytes hijack Linux systems and quietly grab root (r/netsec) Source: https://reddit.com/r/netsec/comments/1szduu3/copy_fail_exploit_lets_732_bytes_hijack_linux/ The Copy Fail vulnerability (CVE-2026-31431) represents a severe security flaw in the Linux kernel, allowing local unprivileged users to escalate their privileges to root. This exploit is particularly alarming due to its simplicity and effectiveness, requiring only a small, 732-byte script to gain full system control. Unlike many complex kernel exploits that rely on intricate race conditions or specific timing, Copy Fail is described as straightforward and reliable, making it highly attractive to attackers.…