Red Hat Bugzilla – Bug 459407
SELinux is preventing sendmail (system_mail_t) "read" to /var/log/messages (var_log_t).
Last modified: 2009-07-14 10:11:25 EDT
Created attachment 314480 [details]
Description of problem:
SELinux denied access requested by sendmail. It is not expected that this access is required by sendmail and this access may signal an intrusion attempt. It is also possible that the specific version or configuration of the application is causing it to require additional access.
Version-Release number of selected component (if applicable):
Occurs daily automatically at 0430
Steps to Reproduce:
Don't expect setroubleshoot message
How did you trigger this? Are you emailing your /var/log/messages via an init script?
This is not expected behaviour but if you would like to allow it you can use
# grep sendmail /var/log/audit/audit.log | audit2allow -M mysendmail
# semodule -i mysendmail.pp
If you did not intend to email your messages file it could indicate a bug in a program that has an open file descriptor to the messages file and is execing sendmail. Or it could indicate something more synester.
I believe epylog.noarch 0:1.0.3-7.fc9 caused the problem. After reading your
comment above and coordinating the time of the daily sealert message with logs,
I strongly suspected epylog. So, I removed epylog and this morning the
sealert/settroubleshoot message did not appear.
Since I get LOGWATCH I guess I don't need epylog too.
Thanks for the help.
I suspect epylog is leaking file descriptors.
Make sure all open file descriptors closeonexec before running sendmail
fcntl(fd, F_SETFD, FD_CLOSEXEC)
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