Red Hat Bugzilla – Bug 14529
PAM unable to dlopen(/lib/security/pam_cracklib.so)
Last modified: 2008-05-01 11:37:56 EDT
After installation of RedHat 6.2, using boot image
boot-20000407.img and update-disk-20000419.img
The root-user has still no password. And only user without password can
After a user xxx open a session we have in /var/log/messages
Jul 24 16:45:00 linux login: PAM unable to dlopen
Jul 24 16:45:00 linux login: PAM [dlerror: libcrack.so.2: cannot open
shared object file: No such file or directory]
Jul 24 16:45:00 linux login: PAM adding faulty
Jul 24 16:45:02 linux PAM_pwdb: (login) session opened for user xxx
I tried to install with shadow or md5 enabled or disabled
During installation I have the message passwd: Module is unknown
and after installation if I run passwd (under root or any user) I have the
Do you have the "cracklib" package installed?
When I looked in the /tmp/install.log I saw "cracklib installed" and no error
or warning. But the rpm file was corrupted.
When I checked the package on my cdrom with rpm I got "does not appear to be a
I downloaded the package and installed it. Now it works.
I have installed another linux with the same cdrom the day before and it was Ok.
This is not a security problem but an installer problem.
The install log didn't reports any errors. The installer just writes cracklib
installed even if the package was corrupted !