The Linux kernel as shipped with Red Hat Enterprise Linux 3 did not have support for NFSv4, and therefore is not affected by this issue. It was addressed in Red Hat Enterprise Linux 4, 5, and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2010-0474.html, https://rhn.redhat.com/errata/RHSA-2009-1670.html and https://rhn.redhat.com/errata/RHSA-2009-1635.html respectively.
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Red Hat Security Errata
|Red Hat Enterprise Linux 5 (kernel)||RHSA-2009:1670||2009-12-15|
|MRG Grid for RHEL 5 Server (kernel-rt)||RHSA-2009:1635||2009-12-03|
|Red Hat Enterprise Linux 4 (kernel)||RHSA-2010:0474||2010-06-15|
AcknowledgementsRed Hat would like to thank Simon Vallet for responsibly reporting this issue.
CVE description copyright © 2017, The MITRE Corporation