This issue did not affect the Linux kernel as shipped with Red Hat Enterprise
Linux 4 and 5 as they did not backport the commit
a6ce4932fbdbcd8f8e8c6df76812014351c32892 that introduced this issue. This issue did not affect the Linux kernel as shipped with Red Hat Enterprise MRG 2. This has been addressed in Red Hat Enterprise Linux 6 via https://rhn.redhat.com/errata/RHSA-2012-0481.html.
CVSS v2 metrics
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
|Access Vector||Adjacent Network|
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Red Hat Security Errata
|Red Hat Enterprise Linux 6 (kernel)||RHSA-2012:0481||2012-04-17|
Affected Packages State
|Red Hat Enterprise MRG 2||realtime-kernel||Affected|
|Red Hat Enterprise Linux 4||kernel||Not affected|
|Red Hat Enterprise Linux 5||kernel||Not affected|