- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201202-07 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: libvirt: Multiple vulnerabilities Date: February 27, 2012 Bugs: #358877, #372963, #373991, #386287 ID: 201202-07 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Multiple vulnerabilities were found in libvirt, the worst of which might allow guest OS users to read arbitrary files on the host OS. Background ========== libvirt is a C toolkit to manipulate virtual machines. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-emulation/libvirt < 0.9.3-r1 >= 0.9.3-r1 Description =========== Multiple vulnerabilities have been discovered in libvirt. Please review the CVE identifiers referenced below for details. Impact ====== These vulnerabilites allow a remote attacker to cause a Denial of Service condition on the host server or libvirt daemon, or might allow guest OS users to read arbitrary files on the host OS. Workaround ========== There is no known workaround at this time. Resolution ========== All libvirt users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-emulation/libvirt-0.9.3-r1"= References ========== [ 1 ] CVE-2011-1146 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1146 [ 2 ] CVE-2011-1486 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1486 [ 3 ] CVE-2011-2178 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2178 [ 4 ] CVE-2011-2511 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2511 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201202-07.xml Concerns? ========= Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org. License ======= Copyright 2012 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license. http://creativecommons.org/licenses/by-sa/2.5