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CVE-2011-2512

CVE-2011-2512

EPSS 1.9%
The virtio_queue_notify in qemu-kvm 0.14.0 and earlier does not properly validate the virtqueue number, which allows guest users to cause a denial of service (guest crash) and possibly execute arbitrary code via a negative number in the Queue Notify field of the Virtio Header, which bypasses a signed comparison.
Productos afectados
n/a · n/a

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Referencias
http://git.kernel.org/?p=virt/kvm/qemu-kvm.git%3Ba=commitdiff%3Bh=7157e2e23e89adcd436caeab31fdd6b47eded377http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00007.htmlhttp://rhn.redhat.com/errata/RHSA-2011-0919.htmlhttp://secunia.com/advisories/44458http://secunia.com/advisories/44648http://secunia.com/advisories/45158http://secunia.com/advisories/45170http://secunia.com/advisories/45301https://hermes.opensuse.org/messages/9605323https://www.debian.org/security/2011/dsa-2270http://ubuntu.com/usn/usn-1165-1http://www.openwall.com/lists/oss-security/2011/06/28/13