Xen 4.1.1 and earlier allows local guest OS kernels with control of a PCI[E] device to cause a denial of service (CPU consumption and host hang) via many crafted DMA requests that are denied by the IOMMU, which triggers a livelock.
2012-12-13T11:53:33.350
2025-04-11T00:51:21.963
Deferred
CVSSv2: 4.6 (MEDIUM)
AV:L/AC:L/Au:S/C:N/I:N/A:C
3.1
6.9