CVE-2009-0322 (http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-0322): drivers/firmware/dell_rbu.c in the Linux kernel before 2.6.27.13, and 2.6.28.x before 2.6.28.2, allows local users to cause a denial of service (system crash) via a read system call that specifies zero bytes from the (1) image_type or (2) packet_size file in /sys/devices/platform/dell_rbu/.
dell_rbu.c ?