Cross-platform C port of the Copy Fail Linux LPE (CVE-2026-31431). Disclosed 2026-04-29 by Theori / Xint.
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Minimal no-libc Linux x86_64 ELF PoC build for Copy Fail (CVE-2026-31431)
Copy Fail (CVE-2026-31431) LPE exploit. A clean, multi-arch Python reimplementation targeting the Linux kernel AF_ALG page cache vulnerability.
CopyFail (CVE-2026-31431): Linux kernel page-cache PrivEsc PoC + the only public detection tool. Novel PAM auth-bypass vector + Sigma/auditd/eBPF rules.
Package alg provides access to Linux AF_ALG sockets for communication with the Linux kernel crypto API. MIT Licensed.
Responsive defense layer for Linux; ships kernel-LPE mitigations as 0days land. Coverage: Copy Fail family (cf1, cf2, Dirty Frag, Fragnesia, PinTheft, DirtyDecrypt) + FD-theft (ssh-keysign-pwn). EL7/8/9/10.