CVE-2014-5149
The MITRE CVE dictionary describes this issue as:
Certain MMU virtualization operations in Xen 4.2.x through 4.4.x, when using shadow pagetables, are not preemptible, which allows local HVM guest to cause a denial of service (vcpu consumption) by invoking these operations, which process every page assigned to a guest, a different vulnerability than CVE-2014-5146.
Find out more about CVE-2014-5149 from the MITRE CVE dictionary dictionary and NIST NVD.
Statement
Not vulnerable.
This issue does not affect the versions of the kernel-xen package as shipped
with Red Hat Enterprise Linux 5.
CVSS v2 metrics
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| Base Score | 4.3 |
|---|---|
| Base Metrics | AV:A/AC:H/Au:S/C:N/I:N/A:C |
| Access Vector | Adjacent Network |
| Access Complexity | High |
| Authentication | Single |
| Confidentiality Impact | None |
| Integrity Impact | None |
| Availability Impact | Complete |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 5 | kernel-xen | Not affected |
Acknowledgements
Red Hat would like to thank the Xen project for reporting this issue.CVE description copyright © 2017, The MITRE Corporation