Ubuntu Security Notice (C) 2011-2013 Canonical, Inc. / NASL script (C) 2011-2013 Tenable Network Security, Inc.
The remote Ubuntu host is missing one or more security-related patches.
Nelson Elhage discoverd that QEMU did not properly validate certain
virtqueue requests from the guest. An attacker could exploit this to
cause a denial of service of the guest or possibly execute code with
the privileges of the user invoking the program. (CVE-2011-2212)
Stefan Hajnoczi discovered that QEMU did not properly perform integer
comparisons when performing virtqueue input validation. An attacker
could exploit this to cause a denial of service of the guest or
possibly execute code with the privileges of the user invoking the
When using QEMU with libvirt or virtualization management software
based on libvirt such as Eucalyptus and OpenStack, QEMU guests are
individually isolated by an AppArmor profile by default in Ubuntu.
Update the affected qemu-kvm, qemu-kvm-extras and / or
Risk factor :
High / CVSS Base Score : 7.4
CVSS Temporal Score : 5.5
Public Exploit Available : false
Family: Ubuntu Local Security Checks
Nessus Plugin ID: 55531 ()
Bugtraq ID: 4849948574
CVE ID: CVE-2011-2212CVE-2011-2512
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