http://www.eff.org/IP/DRM/Sony-BMG/mediamaxfaq.php


Certain audio compact discs distributed by Sony BMG contain a version of the SunnComm MediaMax software, which creates a serious risk of a "privilege escalation attack." This new security vulnerability -- different than the one reported in early November regarding Sony BMG CDs sold with software called XCP -- affects all Sony BMG CDs that contain version 5 of SunnComm MediaMax software. According to Sony BMG, about six million CDs have this software.
From El Reg...