New 'Copy Fail' Flaw In Linux Kernel Lets Any Local User Seize Root Access: Here's How To Fix It

The flaw allows an unprivileged local user to write four controlled bytes into the page cache of any readable file on a Linux ...
The Hacker News

PyTorch Lightning and Intercom-client Hit in Supply Chain Attacks to Steal Credentials

Malicious Lightning 2.6.2/2.6.3 released April 30 enable credential theft via hidden payload, leading to PyPI quarantine and ...

Alibaba's Metis agent cuts redundant AI tool calls from 98% to 2% — and gets more accurate doing it

Alibaba's HDPO framework trains AI agents to skip unnecessary tool calls, cutting redundant invocations from 98% to 2% while ...

Critical Copy Fail Linux Flaw Lets Hackers Gain Root Access Across Major Distros

Christopher Harper is a tech writer with over a decade of experience writing how-tos and news. Off work, he stays sharp with gym time & stylish action games.

Copy fail flaw impacts all Linux kernels released since 2017

Linux users should update their servers now, or face possible attack.
Computing

Nine-year-old high-severity Linux bug discovered

Security researchers have unearthed a high severity local privilege escalation bug that affects almost all Linux ...
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 ...
Techzine Europe

Linux distributions worldwide targeted by the Copy Fail exploit

An exploit for the "Copy Fail" security vulnerability (CVE-2026-31431) in the Linux kernel has been made public. The ...
Security Boulevard

Copy Fail (CVE-2026-31431): Frequently asked questions about Linux kernel privilege escalation vulnerability

A flaw in the Linux kernel present since 2017 allows a local user to gain root access on virtually every major Linux distribution. A public exploit is available and reported to work reliably.Key ...