Red Hat Security Advisory: libvirt security, bug fix, and enhancement update Security Advisory secalert@redhat.com Red Hat Security Response Team RHSA-2012:0748 Final 5 5 2012-06-20T08:10:00Z Current version 2012-06-20T08:10:00Z 2012-06-20T08:10:00Z Red Hat rhsa-to-cvrf 1.0.1484 2012-06-20T08:57:02Z Updated libvirt packages that fix one security issue, multiple bugs, and add various enhancements are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having low security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section. The libvirt library is a C API for managing and interacting with the virtualization capabilities of Linux and other operating systems. In addition, libvirt provides tools for remote management of virtualized systems. Bus and device IDs were ignored when attempting to attach multiple USB devices with identical vendor or product IDs to a guest. This could result in the wrong device being attached to a guest, giving that guest root access to the device. (CVE-2012-2693) These updated libvirt packages include numerous bug fixes and enhancements. Space precludes documenting all of these changes in this advisory. Users are directed to the Red Hat Enterprise Linux 6.3 Technical Notes for information on the most significant of these changes. All users of libvirt are advised to upgrade to these updated packages, which fix these issues and add these enhancements. After installing the updated packages, libvirtd must be restarted ("service libvirtd restart") for this update to take effect. Please see https://www.redhat.com/footer/terms-of-use.html Copyright © 2012 Red Hat, Inc. All rights reserved. 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https://bugzilla.redhat.com/show_bug.cgi?id=819498 https://bugzilla.redhat.com/show_bug.cgi?id=819499 https://bugzilla.redhat.com/show_bug.cgi?id=819499 https://bugzilla.redhat.com/show_bug.cgi?id=819636 https://bugzilla.redhat.com/show_bug.cgi?id=819636 https://bugzilla.redhat.com/show_bug.cgi?id=820461 https://bugzilla.redhat.com/show_bug.cgi?id=820461 https://bugzilla.redhat.com/show_bug.cgi?id=820869 https://bugzilla.redhat.com/show_bug.cgi?id=820869 Red Hat Enterprise Linux Desktop Optional (v. 6) Red Hat Enterprise Linux HPC Node Optional (v. 6) Red Hat Enterprise Linux Workstation Optional (v. 6) Red Hat Enterprise Linux Workstation (v. 6) Red Hat Enterprise Linux HPC Node (v. 6) Red Hat Enterprise Linux Server Optional (v. 6) Red Hat Enterprise Linux Desktop (v. 6) Red Hat Enterprise Linux Server (v. 6) libvirt-0.9.10-21.el6.src.rpm libvirt-0.9.10-21.el6 as a component of Red Hat Enterprise Linux Desktop Optional (v. 6) libvirt-0.9.10-21.el6 as a component of Red Hat Enterprise Linux HPC Node Optional (v. 6) libvirt-0.9.10-21.el6 as a component of Red Hat Enterprise Linux Workstation Optional (v. 6) libvirt-0.9.10-21.el6 as a component of Red Hat Enterprise Linux Workstation (v. 6) libvirt-0.9.10-21.el6 as a component of Red Hat Enterprise Linux HPC Node (v. 6) libvirt-0.9.10-21.el6 as a component of Red Hat Enterprise Linux Server Optional (v. 6) libvirt-0.9.10-21.el6 as a component of Red Hat Enterprise Linux Desktop (v. 6) libvirt-0.9.10-21.el6 as a component of Red Hat Enterprise Linux Server (v. 6) Bus and device IDs were ignored when attempting to attach multiple USB devices with identical vendor or product IDs to a guest. This could result in the wrong device being attached to a guest, giving that guest root access to the device. 2012-04-26T00:00:00Z 2012-04-28T00:00:00Z CVE-2012-2693 6Client-optional:libvirt-0.9.10-21.el6 6Client:libvirt-0.9.10-21.el6 6ComputeNode-optional:libvirt-0.9.10-21.el6 6ComputeNode:libvirt-0.9.10-21.el6 6Server-optional:libvirt-0.9.10-21.el6 6Server:libvirt-0.9.10-21.el6 6Workstation-optional:libvirt-0.9.10-21.el6 6Workstation:libvirt-0.9.10-21.el6 Low 3.7 AV:L/AC:H/Au:N/C:P/I:P/A:P Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258 https://rhn.redhat.com/errata/RHSA-2012-0748.html https://www.redhat.com/security/data/cve/CVE-2012-2693.html CVE-2012-2693 https://bugzilla.redhat.com/show_bug.cgi?id=831164 bz#831164: CVE-2012-2693 libvirt: address bus= device= when identicle vendor ID/product IDs usb devices attached are ignored