Get the latest tech news

Copy Fail: 732 Bytes to Root on Every Major Linux Distribution


Xint Code disclosed CVE-2026-31431, an authencesn scratch-write bug chaining AF_ALG + splice() into a 4-byte page cache write. A 732-byte PoC gets root on Ubuntu, Amazon Linux, RHEL, SUSE. | AI for Security, Vulnerability Research

None

Get the Android app

Or read this on Hacker News

Read more on:

Photo of copy

copy

Photo of bytes

bytes

Related news:

News photo

Show HN: A (marginally) useful x86-64 ELF executable in 301 bytes

News photo

A whole boss fight in 256 bytes

News photo

Storing 2 bytes of data in your Logitech mouse