The networkReloadIptablesRules function in network/bridge_driver.c in libvirt before 0.9.9 does not properly handle firewall rules on bridge networks when libvirtd is restarted, which might allow remote attackers to bypass intended access restrictions via a (1) DNS or (2) DHCP query.
{ "availability": "No subscription required", "ubuntu_priority": "low", "binaries": [ { "binary_version": "1.2.2-0ubuntu13.1.14", "binary_name": "libvirt-bin" }, { "binary_version": "1.2.2-0ubuntu13.1.14", "binary_name": "libvirt-bin-dbgsym" }, { "binary_version": "1.2.2-0ubuntu13.1.14", "binary_name": "libvirt-dev" }, { "binary_version": "1.2.2-0ubuntu13.1.14", "binary_name": "libvirt-dev-dbgsym" }, { "binary_version": "1.2.2-0ubuntu13.1.14", "binary_name": "libvirt-doc" }, { "binary_version": "1.2.2-0ubuntu13.1.14", "binary_name": "libvirt0" }, { "binary_version": "1.2.2-0ubuntu13.1.14", "binary_name": "libvirt0-dbg" }, { "binary_version": "1.2.2-0ubuntu13.1.14", "binary_name": "libvirt0-dbgsym" } ] }