https://www.bleepingcomputer.com/news/security/working-windows-and-linux-spectre-exploits-found-on-virustotal/

Working exploits targeting Linux and Windows systems not patched against a three-year-old vulnerability dubbed Spectre were found by security researcher Julien Voisin on VirusTotal.

The vulnerability was unveiled as a hardware bug in January 2018 by Google Project Zero researchers.