This issue did not affect the Linux kernels as shipped with Red Hat Enterprise Linux 4, and 5 as they did not include support for the GHASH message digest algorithm. This has been addressed in Red Hat Enterprise Linux 6, and MRG via https://rhn.redhat.com/errata/RHSA-2012-0350.html, and https://rhn.redhat.com/errata/RHSA-2012-0010.html.
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Red Hat Security Errata
|MRG Grid for RHEL 6 Server v.2 (kernel-rt)||RHSA-2012:0010||2012-01-10|
|Red Hat Enterprise Linux 6 (kernel)||RHSA-2012:0350||2012-03-06|
Affected Packages State
|Red Hat Enterprise MRG 2||realtime-kernel||Affected|
AcknowledgementsRed Hat would like to thank Nick Bowler for reporting this issue.
CVE description copyright © 2017, The MITRE Corporation