Linux Copy Fail High Confidence Exploit Pattern

Mayur Aditya Bollaboina@cynik

•updated May 1, 2026•14•0•748

High-confidence detection for probable Copy Fail exploitation requiring AF_ALG or algif_aead references, syscall-style splice usage, and privileged binary targeting. https://github.com/theori-io/copy-fail-CVE-2026-31431/blob/main/copy_fail_exp.py https://xint.io/blog/copy-fail-linux-distributions#how-we-found-it-9