CVE-2010-2242: Libvirt

Low severity, CVSS 2.1. EPSS: 0.4% chance of exploitation in the next 30 days.

Red Hat libvirt 0.2.0 through 0.8.2 creates iptables rules with improper mappings of privileged source ports, which allows guest OS users to bypass intended access restrictions by leveraging IP address and source-port values, as demonstrated by copying and deleting an NFS directory tree.

Affected products

• Libvirt Libvirt: version 0.2.0 only; version 0.2.1 only; version 0.2.2 only; version 0.2.3 only; version 0.3.0 only; version 0.3.1 only; …

Published 2010-08-19. Last modified 2026-06-16.