Max.putty P9DocsCybersecurity
Related
NHS Under Fire for Withdrawing Open-Source Code Amid AI Hacking FearsMozilla Reveals How AI-Powered Vulnerability Detection Achieved Near-Perfect Accuracy in FirefoxUS Healthcare Sector Staggered by New Wave of Data Breaches Affecting MillionsFoxconn Cyberattack: What Happened and Which Tech Giants Are at RiskDecades of Cybersecurity Wisdom: How Dark Reading's Pioneers Revisit Their Early InsightsOpenAI Unveils Daybreak: AI Security Initiative Countering Anthropic's Claude MythosHow to Fortify Your Code Repositories Against Supply Chain AttacksSecuring Your Software Supply Chain: Lessons from the Checkmarx and Bitwarden Attacks

What You Need to Know About New Linux 'Copy Fail' Vulnerability Enables Root ...

Last updated: 2026-04-30 18:40:14 · Cybersecurity

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

Cybersecurity researchers have disclosed details of a Linux local privilege escalation (LPE) flaw that could allow an unprivileged local user to obtain root. The high-severity vulnerability tracked as CVE-2026-31431 (CVSS score: 7.8) has been codenamed Copy Fail by Xint.io and Theori.

What You Need
Photo

Key Details

"An unprivileged local user can write four controlled bytes into the page cache of any readable file on a Linux

What You Need
Photo

Summary

This article covers the key aspects of new linux 'copy fail' vulnerability enables root access on major distributions. The topic continues to evolve as new developments emerge in this space.