CVE-2013-4375
Description
From CVE.org
The qdisk PV disk backend in qemu-xen in Xen 4.2.x and 4.3.x before 4.3.1, and qemu 1.1 and other versions, allows local HVM guests to cause a denial of service (domain grant reference consumption) via unspecified vectors.
Statement
Not vulnerable.
This issue does not affect the versions of the xen package as shipped with Red Hat Enterprise Linux 5 as it does not provide support for the qdisk PV backend.
This issue does not affect the versions of qemu-kvm as shipped with Red Hat Enterprise Linux 6 as they did not include the upstream commit that introduced this flaw.
This issue does not affect Red Hat Enterprise MRG 2.
Common Vulnerability Scoring System (CVSS) Score Details
Info alert:Important note
CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).
The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v2 Score Breakdown
| Red Hat | NVD | cve.org | |
|---|---|---|---|
| Base Score | 2.3 | 2.7 | N/A |
| Attack Vector | Adjacent Network | Adjacent Network | N/A |
| Access Complexity | Medium | Low | N/A |
| Authentication | Single | Single | N/A |
| Confidentiality Impact | None | None | N/A |
| Integrity Impact | None | None | N/A |
| Availability Impact | Partial | Partial | N/A |
Vector
Red Hat: AV:A/AC:M/Au:S/C:N/I:N/A:P
NVD: AV:A/AC:L/Au:S/C:N/I:N/A:P
Acknowledgements
Red Hat would like to thank Xen project for reporting this issue.
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