The remote Redhat Enterprise Linux 6 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2011:1531 advisory.

    KVM (Kernel-based Virtual Machine) is a full virtualization solution for     Linux on AMD64 and Intel 64 systems. qemu-kvm is the user-space component     for running virtual machines using KVM.

    It was found that qemu-kvm did not properly drop supplemental group     privileges when the root user started guests from the command line     (/usr/libexec/qemu-kvm) with the -runas option. A qemu-kvm process     started this way could use this flaw to gain access to files on the host     that are accessible to the supplementary groups and not accessible to the     primary group. (CVE-2011-2527)

    Note: This issue only affected qemu-kvm when it was started directly from     the command line. It did not affect the Red Hat Enterprise Virtualization     platform or applications that start qemu-kvm via libvirt, such as the     Virtual Machine Manager (virt-manager).

    This update also fixes several bugs and adds various enhancements.
    Documentation for these bug fixes and enhancements will be available     shortly from the Technical Notes document, linked to in the References     section.

    All users of qemu-kvm are advised to upgrade to these updated packages,     which contain backported patches to correct these issues and add these     enhancements. After installing this update, shut down all running virtual     machines. Once all virtual machines have shut down, start them again for     this update to take effect.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

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RHEL 6 : qemu-kvm (RHSA-2011:1531)

medium Nessus Plugin ID 64006

Version 1.19