Vulnerability Details : 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.
Published 2012-06-21 15:55:10
Updated 2023-02-13 01:19:56
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Input validationExecute codeDenial of service

Exploit prediction scoring system (EPSS) score for CVE-2011-2512

EPSS FAQ
0.57%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 75 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2011-2512

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.8
 MEDIUM AV:A/AC:L/Au:N/C:P/I:P/A:P
6.5
6.4
 NIST

CWE ids for CVE-2011-2512

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2011-2512

Products affected by CVE-2011-2512

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