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/.
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | - | 2.6.27.13 |
| linux / linux_kernel | 2.6.28 | 2.6.28.2 |
| debian / debian_linux | 5.0 | 5.0.x |
| debian / debian_linux | 4.0 | 4.0.x |
| canonical / ubuntu_linux | 7.10 | 7.10.x |
| canonical / ubuntu_linux | 8.04 | 8.04.x |
| canonical / ubuntu_linux | 8.10 | 8.10.x |