Xoscnq43.putty PDocsCybersecurity
Related
AI-Powered Exploit Discovery Accelerates: Enterprises Face Critical Risk WindowHow to Harden Your vSphere Environment Against BRICKSTORM Malware: A Step-by-Step GuideQ1 2026 Vulnerability Landscape: Rising Threats and Key ExploitsHow to Protect Your Package Repository from Malicious Uploads: Lessons from RubyGems AttackMastering GitHub's Bug Bounty: A Researcher's Guide to Quality SubmissionsCritical Windows Zero-Day 'MiniPlasma' Exploit Unleashed: Attackers Can Seize Full System ControlWeekly Cyber Threat Digest: April 27th – Major Breaches, AI Exploits, and Critical PatchesExploit Attempts Detected Within Hours of PraisonAI Auth Bypass Vulnerability Disclosure

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.