CVE-2012-5515
The MITRE CVE dictionary describes this issue as:
The (1) XENMEM_decrease_reservation, (2) XENMEM_populate_physmap, and (3) XENMEM_exchange hypercalls in Xen 4.2 and earlier allow local guest administrators to cause a denial of service (long loop and hang) via a crafted extent_order value.
Find out more about CVE-2012-5515 from the MITRE CVE dictionary dictionary and NIST NVD.
Statement
This issue did affect the versions of the kernel-xen package as shipped with Red Hat Enterprise Linux 5.
This issue did not affect Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG as we did not have support for Xen hypervisor.
CVSS v2 metrics
| Base Score | 5.5 |
|---|---|
| Base Metrics | AV:A/AC:L/Au:S/C:N/I:N/A:C |
| Access Vector | Adjacent Network |
| Access Complexity | Low |
| 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).
Red Hat Security Errata
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux 5 (kernel) | RHSA-2013:0168 | 2013-01-22 |
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 5 | kernel-xen | Will not fix |
Acknowledgements
Red Hat would like to thank the Xen project for reporting this issue.CVE description copyright © 2017, The MITRE Corporation