CVE-2009-0322

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-01-28 · updated 2026-06-16
Weakness: CWE-189

Description

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/.

Affected products

Canonical Ubuntu Linux: 7.10, 8.04, 8.10
Debian Linux: 4.0, 5.0
Linux kernel: before 2.6.27.13; from 2.6.28 before 2.6.28.2 — fixed in 2.6.27.13, 2.6.28.2

How to fix

Upgrade to a fixed version: Linux kernel 2.6.27.13, 2.6.28.2. Check the vendor advisory for mitigations.

References

http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.27.y.git%3Ba=commit%3Bh=81156928f8fe31621e467490b9d441c0285998c3
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27.13
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.2
http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00003.html
http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.html
http://secunia.com/advisories/33656
http://secunia.com/advisories/33758
http://secunia.com/advisories/34252
http://secunia.com/advisories/34394
http://secunia.com/advisories/34502
http://secunia.com/advisories/34680

Get alerted when CVE-2009-0322 or the next vulnerability affects your stack