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CVE Record

CVE-2011-3131: Xen 4.1.1 and earlier allows local guest OS kernels with control of a PCI[E] device to cause a denial of se...

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.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

This flaw can let a malicious or compromised guest with control of a passed-through PCI or PCIe device make the Xen host consume CPU and hang. The business impact is availability: one guest could disrupt other workloads on the same host. Exposure is most likely in legacy Xen environments using 4.1.1 or earlier with IOMMU-enabled PCI or PCIe device passthrough to guests. Environments without Xen, without affected versions, or without guest-controlled PCI devices are less likely exposed. Prioritize if the organization still runs legacy Xen with device passthrough for tenant, lab, or less-trusted guests. For modern Xen-free or non-passthrough environments, treat as lower urgency but still close legacy inventory gaps. Mitigation focus: Inventory Xen hypervisors and identify versions 4.1.1 or earlier.; Review Xen advisory and Debian DSA-2582 for vendor-supported update guidance.; Upgrade affected Xen deployments using supported vendor packages or releases..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
1Source links

CVSS and timeline data

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Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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