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CVE-2011-2512

UnknownEPSS 1.90%

Last modified

CVE-2011-2512 is a vulnerability of currently unknown severity. The virtio_queue_notify in qemu-kvm 0.14.0 and earlier does not properly validate the virtqueue number, which allows guest users to cause a denial of service (guest crash) and possibly execute arbitrary code via a negative number in the Queue Notify field of the Virtio Header, which bypasses a signed comparison.. EPSS estimates a 1.90% chance of exploitation in the next 30 days.

Description

The virtio_queue_notify in qemu-kvm 0.14.0 and earlier does not properly validate the virtqueue number, which allows guest users to cause a denial of service (guest crash) and possibly execute arbitrary code via a negative number in the Queue Notify field of the Virtio Header, which bypasses a signed comparison.

Metrics

EPSS Probability
1.90%

77.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Kvm GroupQemu-Kvm<= 0.14.0
Kvm GroupQemu-Kvm0.12

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-2512?
The virtio_queue_notify in qemu-kvm 0.14.0 and earlier does not properly validate the virtqueue number, which allows guest users to cause a denial of service (guest crash) and possibly execute arbitrary code via a negative number in the Queue Notify field of the Virtio Header, which bypasses a signed comparison.
How severe is CVE-2011-2512?
Severity scoring for CVE-2011-2512 is pending analysis. The EPSS model estimates a 1.90% probability of exploitation in the next 30 days.
How do I fix CVE-2011-2512?
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-2011-2512?

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

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Source: NVD / NIST