win32k.sys SfnOUTSTRING Local Kernel Denial of Service Vulnerability

Win32k.sys is a multi-user management driver file for Windows XP. A local kernel denial of service vulnerability exists in the win32k.sys SfnOUTSTRING function. An attacker can exploit the vulnerability to launch a denial of service attack, resulting in a blue screen and reboot of the system. In...