{"uuid": "b979ab0d-268b-4c1f-bdfe-1b437f4c509a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-31431", "type": "seen", "source": "https://t.me/P0x3k_1N73LL1G3NC3/339", "content": "Copy Fail\u2014 Linux LPE (CVE-2026-31431)\n\nA logic bug in the Linux kernel's authencesncryptographic template. It lets an unprivileged local user trigger a deterministic, controlled 4-byte write into the page cache of any readable file on the system. A single 732-byte Python script can edit a setuid binary and obtain root on essentially all Linux distributions shipped since 2017.\n\nExploit: https://github.com/theori-io/copy-fail-CVE-2026-31431\n\nA 732-byte PoC gets root on Ubuntu, Amazon Linux, RHEL, SUSE.", "creation_timestamp": "2026-04-29T19:58:35.000000Z"}