The following error is reported in the /var/log/secure log
PAM unable to dlopen(/usr/lib64/security/pam_vas3.so): /usr/lib64/security/pam_vas3.so: failed to map segment from shared object
PAM adding faulty module: /usr/lib64/security/pam_vas3.so
FAILED LOGIN SESSION FROM tty1 FOR root, Module is unknown
Remove the vasd SELinux policy
And reapply it.
For more details please see the following link.