CVE-2007-1220
The Hypervisor in Microsoft Xbox 360 kernel 4532 and 4548 does not properly verify the parameters passed to the syscall dispatcher, which allows attackers with physical access to bypass code-signing requirements and execute arbitrary code.
Date published : 2007-03-02
http://www.securityfocus.com/bid/22745
http://www.securityfocus.com/archive/1/461489/100/0/threaded