Buffer overflow in Dell BIOS on Dell Latitude D###, E####, XT2, and Z600 devices, and Dell Precision M#### devices, allows local users to b…

Buffer overflow in Dell BIOS on Dell Latitude D###, E####, XT2, and Z600 devices, and Dell Precision M#### devices, allows local users to bypass intended BIOS signing requirements and install arbitrary BIOS images by leveraging administrative privileges and providing a crafted rbu_packet.pktNum value in conjunction with a crafted rbu_packet.pktSize value.