The same 732-byte Python script roots every Linux distribution shipped since 2017
The same 732-byte Python script roots every Linux distribution shipped since 2017
copy.fail
Copy Fail — 732 Bytes to Root
CVE-2026-31431. 100% Reliable Linux LPE — no race, no per-distro offsets, page-cache write that bypasses on-disk file-integrity tools and crosses containers. Found by Xint Code.
cross-posted from: https://lemmy.blahaj.zone/post/41974591
woaw
also a good blog post about it https://xint.io/blog/copy-fail-linux-distributions