The emulation routines for unspecified X86 devices in Xen 3.2.x through 4.5.x does not properly initialize data, which allow local HVM guest users to obtain sensitive information via vectors involving an unsupported access size.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2015-2044 from the MITRE CVE dictionary dictionary and NIST NVD.
Not vulnerable.
This issue does not affect the Xen hypervisor as shipped with Red Hat Enterprise Linux 5.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| Base Score | 2.9 |
|---|---|
| Base Metrics | AV:A/AC:M/Au:N/C:P/I:N/A:N |
| Access Vector | Adjacent Network |
| Access Complexity | Medium |
| Authentication | None |
| Confidentiality Impact | Partial |
| Integrity Impact | None |
| Availability Impact | None |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 5 | xen | Not affected |
Vulmon