This issue did not affect the versions of Linux kernel as shipped with Red Hat
Enterprise Linux 4 as they did not backport the upstream commit b6a2fea3 that introduced the issue. This was addressed in Red Hat Enterprise Linux 5 and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-0004.html and
https://rhn.redhat.com/errata/RHSA-2010-0958.html. Future kernel updates in Red Hat Enterprise Linux 6 may address this flaw.
CVSS v2 metrics
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Red Hat Security Errata
|MRG Grid for RHEL 5 Server (kernel-rt)||RHSA-2010:0958||2010-12-08|
|Red Hat Enterprise Linux 6 (kernel)||RHSA-2011:0836||2011-06-01|
|Red Hat Enterprise Linux 5 (kernel)||RHSA-2011:0004||2011-01-04|
Affected Packages State
|Red Hat Enterprise MRG 1.3||realtime-kernel||Affected|
AcknowledgementsRed Hat would like to thank Brad Spengler for reporting this issue.
CVE description copyright © 2017, The MITRE Corporation