Cybernews

One tiny exploit gives full Linux access: all kernels since 2017 are vulnerable

The critical "Copy Fail" bug (CVE-2026-31431) affects all Linux kernels since 2017, allowing unprivileged local users to gain ...

'Copy Fail' Linux privesc bug lay dormant in kernel since 2017

A logic flaw sitting undetected in the Linux kernel for nearly nine years lets any unprivileged local user gain root access ...

"Copy Fail": Linux root in all major distributions with 732 bytes of Python

The discoverers have named the root vulnerability "Copy Fail". All major distributions since 2017 are affected.
The Hacker News

New Linux 'Copy Fail' Vulnerability Enables Root Access on Major Distributions

CVE-2026-31431 CVSS 7.8 flaw since 2017 enables root via 732-byte exploit, impacting major Linux distributions.