+++ This bug was initially created as a clone of Bug #520297 +++
Description of problem:
Add a check in ip_append_data() for NULL *rtp to prevent future bugs in callers from being exploitable.
This request was evaluated by Red Hat Product Management for inclusion in a Red
Hat Enterprise Linux maintenance release. Product Management has requested
further review of this request by Red Hat Engineering, for potential
inclusion in a Red Hat Enterprise Linux Update release for currently deployed
products. This request is not yet committed for inclusion in an Update
Committed in 89.16.EL . RPMS are available at http://people.redhat.com/vgoyal/rhel4/
confirmed fix is in the -94 kernel.
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.