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.
A high-severity Linux kernel vulnerability known as 'Copy Fail' (CVE-2026-31431) is under active exploitation, leading CISA to add it to its Known Exploited Vulnerabilities catalog. Present in kernels ...
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