CVE-2011-3131

CVE-2011-3131 is a medium-severity vulnerability in Xen with a CVSS 2.0 base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-399.

Key facts

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.

Frequently asked questions

What is 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 service (CPU consumption and host hang) via many crafted DMA requests that are denied by the IOMMU, which triggers a livelock.
How severe is CVE-2011-3131?
CVE-2011-3131 has a CVSS 2.0 base score of 4.6, rated medium severity.
Is CVE-2011-3131 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-3131?
CVE-2011-3131 affects Xen. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-3131?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-3131 published?
CVE-2011-3131 was published on 2012-12-13 and last updated on 2026-06-16.

References

Affected products (1)

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