variante peu sympa "Unprivileged Linux LPE via xfrm ESP-in-UDP MSG_SPLICE_PAGES no-COW fast path. Page-cache write into any readable file. Overwrites a nologin line in /etc/passwd with sick::0:0:...:/:/bin/bash and sus into it. Same class as Copy Fail (CVE-2026-31431), different subsystem."️ https://github.com/0xdeadbeefnetwork/Copy_Fail2-Electric_Boogaloo#CyberVeille #Linux