CVE-2011-2901
The MITRE CVE dictionary describes this issue as:
Off-by-one error in the __addr_ok macro in Xen 3.3 and earlier allows local 64 bit PV guest administrators to cause a denial of service (host crash) via unspecified hypercalls that ignore virtual-address bits.
Find out more about CVE-2011-2901 from the MITRE CVE dictionary dictionary and NIST NVD.
Statement
The versions of the Linux kernel as shipped with Red Hat Enterprise Linux 4, 6,
and Red Hat Enterprise MRG are not affected. This has been addressed in Red Hat Enterprise Linux 5 via https://rhn.redhat.com/errata/RHSA-2011-1212.html.
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 EUS (v. 5.6 server) (kernel) | RHSA-2011:1813 | 2011-12-13 |
| Red Hat Enterprise Linux 5 (kernel) | RHSA-2011:1212 | 2011-09-06 |
CVE description copyright © 2017, The MITRE Corporation