65%
25%
165%
The xenlight library (libxl) in Xen 4.0.x through 4.2.x, when IOMMU is disabled, provides access to a busmastering-capable PCI passthrough device before the IOMMU setup is complete, which allows local HVM guest domains to gain privileges or cause a denial of service via a DMA instruction.
The xenlight library (libxl) in Xen 4.0.x through 4.2.x, when IOMMU is disabled, provides access to a busmastering-capable PCI passthrough device before the IOMMU setup is complete, which allows local HVM guest domains to gain privileges or cause a denial of service via a DMA instruction.
CVSS 2.0 Base Score 6.5. CVSS Attack Vector: adjacent_network. CVSS Attack Complexity: high. CVSS Vector: (AV:A/AC:H/Au:S/C:C/I:C/A:C).
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