VULNERABILITY INTELLIGENCE

CVE-2011-3131

CVSS score4.6 MEDIUM
EPSS probability0.44%
CISA KEVNot currently listed
Published2012-12-13
Last modified2026-06-16
CVSS vectorAV:L/AC:L/Au:S/C:N/I:N/A:C

Description

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.

Primary references