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U.S. government warns of severe CopyFail bug affecting major versions of Linux | TechCrunch

  • Zack Whittaker--TechCrunch
  • published date: 2026-05-04 22:24:37 UTC

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

A severe security vulnerability affecting almost every version of the Linux operating system has caught defenders off-guard and scrambling to patch after security researchers publicly released exploi… [+3217 chars]