The libxlDomainGetNumaParameters function in the libxl driver (libxl/libxl_driver.c) in libvirt before 1.2.1 does not properly initialize the nodemap, which allows local users to cause a denial of service (invalid free operation and crash) or possibly execute arbitrary code via an inactive domain to the virsh numatune command.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2013-6457 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| Base Score | 5.2 |
|---|---|
| Base Metrics | AV:A/AC:L/Au:S/C:P/I:P/A:P |
| Access Vector | Adjacent Network |
| Access Complexity | Low |
| Authentication | Single |
| Confidentiality Impact | Partial |
| Integrity Impact | Partial |
| Availability Impact | Partial |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Package | State |
|---|---|---|
| Red Hat Gluster Storage 2.1 | libvirt | Not affected |
| Red Hat Gluster Storage 2.0 | libvirt | Not affected |
| Red Hat Enterprise Linux 7 | libvirt | Not affected |
| Red Hat Enterprise Linux 6 | libvirt | Not affected |
| Red Hat Enterprise Linux 5 | libvirt | Not affected |
Vulmon