CVE-2013-0311: Linux Kernel

Medium severity, CVSS 6.5. EPSS: 0.6% chance of exploitation in the next 30 days.

The translate_desc function in drivers/vhost/vhost.c in the Linux kernel before 3.7 does not properly handle cross-region descriptors, which allows guest OS users to obtain host OS privileges by leveraging KVM guest OS privileges.

Affected products

• Linux Linux Kernel: up to and including 3.6.11; version 3.0 only; version 3.0.1 only; version 3.0.2 only; version 3.0.3 only; version 3.0.4 only; …
• Red Hat Enterprise Linux: version 6.0 only

Published 2013-02-22. Last modified 2026-06-16.