CVE-2011-3131

What it is

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.

At a glance

Exploitability

Can be exploited locally on the machine with a login. High risk of service disruption.

Exploit odds

0.4% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2012-12-13 11:53 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 23:32 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.4% in the next 30 days (EPSS).
• Severity: 4.6 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2012-12-13 11:53 UTC

Last modified

2026-06-16 23:32 UTC

Exploit probability

0.4% · EPSS, next 30 days

Weakness

CWE-399

Record status

Modified

Affected

• Xen ≤ 4.1.1

Attack profile CVSS 2.0 · 4.6

Attack vector

Local

Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Complete

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2011-3131.md and follow it. Check whether this project is affected by CVE-2011-3131. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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