copyfail-alpine

This is a more minimal port of Copy Fail LPE CVE-2026-31431 which patches the first few bytes of /etc/passwd so that su-ing to root requires no password. This reduces the total size of the original exploit and makes it more portable. Distributions like Alpine use busybox/musl instead of a...

sigma_rule_for_copyfail

Copy Fail Detection — CVE-2026-31431 Detection engineering pr...