CVE-2008-2812: Avaya Communication Manager

High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.

The Linux kernel before 2.6.25.10 does not properly perform tty operations, which allows local users to cause a denial of service (system crash) or possibly gain privileges via vectors involving NULL pointer dereference of function pointers in (1) hamradio/6pack.c, (2) hamradio/mkiss.c, (3) irda/irtty-sir.c, (4) ppp_async.c, (5) ppp_synctty.c, (6) slip.c, (7) wan/x25_asy.c, and (8) wireless/strip.c in drivers/net/.

Affected products

• Avaya Communication Manager: from 3.1
• Avaya Expanded Meet-Me Conferencing: any version
• Avaya Intuity Audix Lx: version 2.0 only
• Avaya Meeting Exchange: version 5.0 only
• Avaya Message Networking: version 3.1 only
• Avaya Messaging Storage Server: version 4.0 only
• Avaya Proactive Contact: version 4.0 only
• Avaya SIP Enablement Services: affected versions not specified; version 4.0 only
• Canonical Ubuntu Linux: version 6.06 only; version 7.04 only; version 7.10 only; version 8.04 only
• Debian Debian Linux: version 4.0 only
• Linux Linux Kernel: before 2.6.25.10 (fixed in 2.6.25.10)
• Novell Linux Desktop: version 9 only
• Opensuse Opensuse: version 10.3 only; version 11.0 only
• Suse Suse Linux Enterprise Desktop: version 10 only
• Suse Suse Linux Enterprise Server: version 10 only

Published 2008-07-09. Last modified 2026-06-16.