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Apr 30, 2026
1 min read

Cyber News: 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...

This is an automated threat intelligence briefing fetched from The Hacker News.

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

Read the full article here: https://thehackernews.com/2026/04/new-linux-copy-fail-vulnerability.html