CVE-2009-3939: Avaya Aura Application Enablement Services

High severity, CVSS 7.1. EPSS: 0.4% chance of exploitation in the next 30 days.

The poll_mode_io file for the megaraid_sas driver in the Linux kernel 2.6.31.6 and earlier has world-writable permissions, which allows local users to change the I/O mode of the driver by modifying this file.

Affected products

• Avaya Aura Application Enablement Services: version 5.2 only; version 5.2.1 only
• Avaya Aura Communication Manager: version 5.2 only
• Avaya Aura Session Manager: version 1.1 only; version 5.2 only
• Avaya Aura SIP Enablement Services: version 5.2 only
• Avaya Aura System Manager: version 5.2 only; version 6.0 only
• Avaya Aura System Platform: version 1.1 only
• Avaya Voice Portal: version 5.0 only
• Canonical Ubuntu Linux: version 6.06 only; version 8.04 only; version 8.10 only; version 9.04 only; version 9.10 only
• Debian Debian Linux: version 5.0 only
• Linux Linux Kernel: up to and including 2.6.31.6
• Opensuse Opensuse: version 11.0 only; version 11.1 only; version 11.2 only
• Red Hat Enterprise Linux Desktop: version 5.0 only
• Red Hat Enterprise Linux Eus: version 5.4 only
• Red Hat Enterprise Linux Server: version 5.0 only
• Red Hat Enterprise Linux Workstation: version 5.0 only
• Red Hat Virtualization: version 5 only
• Suse Linux Enterprise Desktop: version 10 only; version 11 only
• Suse Linux Enterprise Server: version 10 only; version 11 only

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