The virDomainListPopulate function in conf/domain_conf.c in libvirt before 1.2.9 does not clean up the lock on the list of domains, which allows remote attackers to cause a denial of service (deadlock) via a NULL value in the second parameter in the virConnectListAllDomains API command.
{ "binaries": [ { "binary_name": "libvirt-bin", "binary_version": "1.2.2-0ubuntu13.1.7" }, { "binary_name": "libvirt-dev", "binary_version": "1.2.2-0ubuntu13.1.7" }, { "binary_name": "libvirt-doc", "binary_version": "1.2.2-0ubuntu13.1.7" }, { "binary_name": "libvirt0", "binary_version": "1.2.2-0ubuntu13.1.7" }, { "binary_name": "libvirt0-dbg", "binary_version": "1.2.2-0ubuntu13.1.7" } ], "availability": "No subscription required", "ubuntu_priority": "medium" }