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..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2011-3131 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
Products and packages named in the record
CWE details
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