After Dirty Cow and Dirty Pipe: Meet the New Root Exploit Family.
CopyFail's 732-byte exploit gives root with 100% reliability, invisible to disk-based FIM tools. A week later, Dirty Frag proved the CopyFail mitigation offers zero protection — it exploits ESP and RxRPC instead of algif_aead. Both are actively exploited, both have public PoCs, and the standard modprobe blacklist doesn't even work on RHEL-family distros. Full technical breakdown and mitigation guide inside.
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