CVE-2009-3889: Linux Kernel

Medium severity, CVSS 6.6. EPSS: 0.5% chance of exploitation in the next 30 days.

The dbg_lvl file for the megaraid_sas driver in the Linux kernel before 2.6.27 has world-writable permissions, which allows local users to change the (1) behavior and (2) logging level of the driver by modifying this file.

Affected products

• Linux Linux Kernel: up to and including 2.6.26; version 2.6.0 only; version 2.6.1 only; version 2.6.2 only; version 2.6.10 only; version 2.6.11 only; …

Published 2009-11-16. Last modified 2026-06-16.