This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 4 and 5. It was addressed in Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-0330.html. A future kernel update in Red Hat Enterprise Linux 6 may address this flaw.
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Red Hat Security Errata
|Red Hat Enterprise Linux 6 (kernel)||RHSA-2011:0498||2011-05-10|
|MRG Grid for RHEL 5 Server (kernel-rt)||RHSA-2011:0330||2011-03-10|
AcknowledgementsRed Hat would like to thank Vegard Nossum for reporting this issue.
CVE description copyright © 2017, The MITRE Corporation