This issue does not affect Red Hat Enterprise Linux 4 and 5: Red Hat Enterprise Linux 4 does not provide support for the Datagram Congestion Control Protocol (DCCP), and Red Hat Enterprise Linux 5, which does support DCCP, did not backport the upstream commit that introduced this issue, e77b8363b. This has been addressed in Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-0836.html and https://rhn.redhat.com/errata/RHSA-2011-1253.html.
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Red Hat Security Errata
|Red Hat Enterprise Linux 6 (kernel)||RHSA-2011:0836||2011-06-01|
|Red Hat MRG Grid for RHEL 6 Server v.2 (kernel-rt)||RHSA-2011:1253||2011-09-12|
AcknowledgementsRed Hat would like to thank Dan Rosenberg for reporting this issue.
CVE description copyright © 2017, The MITRE Corporation