Xen 4.2.x through 4.5.x does not initialize certain fields, which allows certain remote service domains to obtain sensitive information from memory via a (1) XEN_DOMCTL_gettscinfo or (2) XEN_SYSCTL_getdomaininfolist request.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2015-3340 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue did not affect the versions of xen 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 | 2.3 |
---|---|
Base Metrics | AV:A/AC:M/Au:S/C:P/I:N/A:N |
Access Vector | Adjacent Network |
Access Complexity | Medium |
Authentication | Single |
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 | kernel-xen | Not affected |