New "Dirty Frag" Linux Kernel Vulnerability Could Lead to Root Escalation

Researchers have disclosed "Dirty Frag," a Linux kernel vulnerability that involves page-cache corruption in the decryption fast path and may allow local privilege escalation to root. The bug is being compared to past kernel flaws like Dirty Pipe due to its potential impact on multi-user and containerized environments. Technical analysis, affected systems, and mitigation details are available at the linked source.