| Package | Affected versions | Patched versions |
|---|---|---|
| xen | = 4.0.0= 4.0.1= 4.1.0 |
Xen 4.1 before 4.1.1 and 4.0 before 4.0.2, when using PCI passthrough on Intel VT-d chipsets that do not have interrupt remapping, allows guest OS users to gain host OS privileges by "using DMA to generate MSI interrupts by writing to the interrupt injection registers."
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