Secunia Security Advisory – Red Hat has issued an update for pam. This fixes a security issue, which potentially can be exploited by malicious, local users to bypass certain security restrictions.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/41014/sa17350.txt
Source: https://packetstormsecurity.com/files/41014/Secunia-Security-Advisory-17350.html