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CVE-2011-1898

UnknownEPSS 0.85%

Last modified

CVE-2011-1898 is a vulnerability of currently unknown severity. Xen 4.1 before 4.1.1 and 4.0 before 4.0.2, when using PCI passthrough on Intel VT-d chipsets that do not have interrupt remapping, allows guest OS users to gain host OS privileges by "using DMA to generate MSI interrupts by writing to the interrupt injection registers.". EPSS estimates a 0.85% chance of exploitation in the next 30 days.

Description

Xen 4.1 before 4.1.1 and 4.0 before 4.0.2, when using PCI passthrough on Intel VT-d chipsets that do not have interrupt remapping, allows guest OS users to gain host OS privileges by "using DMA to generate MSI interrupts by writing to the interrupt injection registers."

Metrics

EPSS Probability
0.85%

53.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CitrixXen4.0.0
CitrixXen4.0.1
CitrixXen4.1.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-1898?
Xen 4.1 before 4.1.1 and 4.0 before 4.0.2, when using PCI passthrough on Intel VT-d chipsets that do not have interrupt remapping, allows guest OS users to gain host OS privileges by "using DMA to generate MSI interrupts by writing to the interrupt injection registers."
How severe is CVE-2011-1898?
Severity scoring for CVE-2011-1898 is pending analysis. The EPSS model estimates a 0.85% probability of exploitation in the next 30 days.
How do I fix CVE-2011-1898?
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-2011-1898?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST