something mess-up with /dev/null permissions

[Michael Cronenworth]

Pal, Laszlo (private) wrote:
> Recently I've discovered a strange thing... some rule/program or
> whatever changing the access rights of /dev/null to
>
> crw-------. 1 root root 1, 3 May 20 11:57 /dev/null
>
> and some of the part of Fedora does not like it:)
>
> After I change back to 666, everything is fine again, however after boot
> I have again the "wrong" permission
>
> is this a bug or feature?:)  What can cause this? After google the
> problem, I can find some very old bug, so maybe it is back again
>
> Any idea?

That is not normal.

You could setup an auditctl rule to watch /dev/null for permission changes. 
There is a manpage (and exhaustive support on Google) for auditctl.