CVE-2011-3131
UnknownEPSS 0.44%
Last modified
CVE-2011-3131 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.44% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | <= 4.1.1 |
References
- http://secunia.com/advisories/45622Vendor Advisory
- http://secunia.com/advisories/51468Vendor Advisory
- http://secunia.com/advisories/45622Vendor Advisory
- http://secunia.com/advisories/51468Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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?
Severity scoring for CVE-2011-3131 is pending analysis. The EPSS model estimates a 0.44% probability of exploitation in the next 30 days.
How do I fix CVE-2011-3131?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2011-3131?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST