The same 732-byte Python script roots every Linux distribution shipped since 2017

copy.fail

The same 732-byte Python script roots every Linux distribution shipped since 2017

copy.fail

heliotrope@retrofed.com to

Cybersecurity@sh.itjust.worksEnglish · 3 hours ago

Copy Fail — 732 Bytes to Root

copy.fail

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

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