New Linux ‘Copy Fail’ flaw gives hackers root on major distros

An exploit has been published for a local privilege escalation vulnerability dubbed "Copy Fail" that impacts Linux kernels ...
The Hacker News

CISA Adds Actively Exploited Linux Root Access Bug CVE-2026-31431 to KEV

CVE-2026-31431 exploited in Linux since 2017, enabling root access via simple PoC, increasing container and cloud risks.

"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.
Security Boulevard

Linux Kernel Flaw ‘Copy Fail’ Exposes Widespread Privilege Escalation Risk

A newly uncovered Linux kernel flaw shows how a low-complexity exploit can bypass traditional defenses and escalate privileges across shared environments, reinforcing the need for faster patch cycles ...
OSTechNix

Copy Fail: The 732-Byte Script That Roots Every Major Linux Systems

Copy Fail (CVE-2026-31431) is a severe logic flaw in the Linux kernel affecting every distribution since 2017. Patch your ...