Hi everyone, A vulnerability in Grub2 (Back to 28) has been found. Versions from 1.98 (December, 2009) to 2.02 (December, 2015) are affected. The vulnerability can be exploited under certain circumstances, allowing local attackers to bypass any kind of authentication (plain or hashed passwords). And so, the attacker may take control of the computer. More details at: http://hmarco.org/bugs/CVE-2015-8370-Grub2-authentication-bypass.html Regards, Hector Marco & Ismael Ripoll. -- Dr. Hector Marco-Gisbert @ http://hmarco.org/ Cyber Security Researcher @ http://cybersecurity.upv.es Universitat Politècnica de València (Spain)