CISA Warns of Actively Exploited CopyFail Bug Affecting Major Linux Versions

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has warned of the "CopyFail" bug, which is actively exploited in hacking campaigns and poses a severe risk to Linux-based servers and data centers. The vulnerability affects major versions of Linux, though specific technical details, CVE IDs, or affected versions were not disclosed. No exact date for the discovery or exploitation was provided, but the advisory indicates ongoing attacks. The impact includes potential compromise of critical infrastructure relying on Linux systems. The warning was issued by a U.S. government agency without additional mitigation steps mentioned.