U.S. Government Alerts to Critical CopyFail Bug in Linux Systems
The U.S. government has issued a warning about a severe security vulnerability, known as the CopyFail bug, affecting major versions of the Linux operating system. The bug, tracked as CVE-2026-31431, allows attackers to gain full control of vulnerable systems and is being actively exploited in malicious campaigns. Although a patch was released shortly after the bug's discovery, many Linux distributions have yet to implement it, leaving systems at risk. The vulnerability affects widely used Linux versions, including Red Hat Enterprise Linux, Ubuntu, and Amazon Linux, among others.