You (olivares) are not allowed to access to (crontab) because of pam configuration.

[Frank Murphy (Frankly3D)]

Kevin Kofler wrote:
> Antonio Olivares wrote:
>> It has been a while and I have been having troubles editing my crontab.
>>
>> Even root cannot access it :(
> 
> Disable SELinux?
> 
>         Kevin Kofler
> 

I also had this "su\sudo setenforce 0" will fix it,
then create a local policy using audit2allow.
Actually, I've just reported it, just a few minutes ago.
https://bugzilla.redhat.com/show_bug.cgi?id=492711

Frank