============================================================================ Ubuntu Security Notice USN-2404-1 November 11, 2014 libvirt vulnerabilities ============================================================================ A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 14.10 - Ubuntu 14.04 LTS Summary: Several security issues were fixed in libvirt. Software Description: - libvirt: Libvirt virtualization toolkit Details: Pavel Hrdina discovered that libvirt incorrectly handled locking when processing the virConnectListAllDomains command. An attacker could use this issue to cause libvirtd to hang, resulting in a denial of service. (CVE-2014-3657) Eric Blake discovered that libvirt incorrectly handled permissions when processing the qemuDomainFormatXML command. An attacker with read-only privileges could possibly use this to gain access to certain information from the domain xml file. (CVE-2014-7823) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 14.10: libvirt-bin 1.2.8-0ubuntu11.1 libvirt0 1.2.8-0ubuntu11.1 Ubuntu 14.04 LTS: libvirt-bin 1.2.2-0ubuntu13.1.7 libvirt0 1.2.2-0ubuntu13.1.7 After a standard system update you need to reboot your computer to make all the necessary changes. References: http://www.ubuntu.com/usn/usn-2404-1 CVE-2014-3657, CVE-2014-7823 Package Information: https://launchpad.net/ubuntu/+source/libvirt/1.2.8-0ubuntu11.1 https://launchpad.net/ubuntu/+source/libvirt/1.2.2-0ubuntu13.1.7