CVE-2011-2519
The MITRE CVE dictionary describes this issue as:
Xen in the Linux kernel, when running a guest on a host without hardware assisted paging (HAP), allows guest users to cause a denial of service (invalid pointer dereference and hypervisor crash) via the SAHF instruction.
Find out more about CVE-2011-2519 from the MITRE CVE dictionary dictionary and NIST NVD.
Statement
This issue only affects Red Hat Enterprise Linux 5. The versions of the Linux
kernel-xen 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 | 5.2 |
|---|---|
| Base Metrics | AV:A/AC:M/Au:S/C:N/I:N/A:C |
| Access Vector | Adjacent Network |
| Access Complexity | Medium |
| 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 |
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise MRG 2 | realtime-kernel | Not affected |
| Red Hat Enterprise Linux 6 | kernel | Not affected |
| Red Hat Enterprise Linux 5 | kernel-xen | Will not fix |
| Red Hat Enterprise Linux 4 | kernel | Not affected |
CVE description copyright © 2017, The MITRE Corporation