VULNERABILITY INTELLIGENCE
CVE-2011-1898
CVSS score7.4 HIGH
EPSS probability0.85%
CISA KEVNot currently listed
Published2011-08-12
Last modified2026-06-16
CVSS vectorAV:A/AC:M/Au:S/C:C/I:C/A:C
Description
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."