CVE-2012-2119: Linux Kernel

Medium severity, CVSS 5.2. EPSS: 0.7% chance of exploitation in the next 30 days.

Buffer overflow in the macvtap device driver in the Linux kernel before 3.4.5, when running in certain configurations, allows privileged KVM guest users to cause a denial of service (crash) via a long descriptor with a long vector length.

Affected products

• Linux Linux Kernel: up to and including 3.4.4; version 3.4 only; version 3.4.1 only; version 3.4.2 only; version 3.4.3 only

Published 2013-01-22. Last modified 2026-06-16.