After a yum update last night, I had a CenOS 5.4 i386 system pull in the following selinux updates:
Jan 07 21:39:14 Updated: selinux-policy-2.4.6-255.el5_4.3.noarch
Jan 07 21:39:31 Updated: selinux-policy-targeted-2.4.6-255.el5_4.3.noarch
This machine has SELinux set to Enforcing.
This morning, I see I got the following email from Cron:
/etc/cron.daily/0logwatch:
sendmail: warning: premature end-of-input on /usr/sbin/postdrop -r while reading input attribute name
sendmail: fatal: root(0): unable to execute /usr/sbin/postdrop -r: Success
Frankly, this error message means little to mean... in the course of troubleshooting, I tried this:
# setenforce Permissive
# /etc/cron.daily/0logwatch
And it worked! The logwatch email sends without error. If I turn SELinux back to Enforcing, then the email error is consistently repeated.
What confuses me is that, when SElinux enforcing causes this error to occur, no SELinux or AVC messages appear in /var/log/messages or /vaar/log/secure or /var/log/audit/audit.log.
Has anyone else seen this? Any suggestions would be appreciated.
Thanks!
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