dump 0.4 b10 through b29 allows local users to cause a denial of service
(execution prevention) by using flock() to lock the /etc/dumpdates file.
More information regarding this issue is here:
Created attachment 116609 [details]
Patch taken from upstream CVS
Josh, thanks for the patch, it's now applied and errata is comming up.
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 the 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.