Denial of Service Vulnerability in Xen 4.x with Intel VT-d

CVE-2013-1952 · LOW Severity

AV:L/AC:M/AU:N/C:N/I:N/A:P

Xen 4.x, when using Intel VT-d for a bus mastering capable PCI device, does not properly check the source when accessing a bridge device's interrupt remapping table entries for MSI interrupts, which allows local guest domains to cause a denial of service (interrupt injection) via unspecified vectors.

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