US government warns of severe CopyFail bug affecting major versions of Linux

U.S. cybersecurity agency CISA says the CopyFail bug is being actively used in hacking campaigns, and poses a major risk to servers and datacenters that rely on Linux.
Cybernews

One tiny exploit gives full Linux access: all kernels since 2017 are vulnerable

The critical "Copy Fail" bug (CVE-2026-31431) affects all Linux kernels since 2017, allowing unprivileged local users to gain ...
OSTechNix

How to Fix Copy Fail (CVE-2026-31431) Vulnerability on Ubuntu and Linux Mint

Learn how to fix Copy Fail (CVE-2026-31431) in Ubuntu and Linux Mint. Copy Fail vulnerability allows any local user gain root ...
The Hacker News

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

CVE-2026-31431 CVSS 7.8 flaw since 2017 enables root via 732-byte exploit, impacting major Linux distributions.
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 ...
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.