Buffer overflow in pam_localuser PAM module in Red Hat Linux 7.x and 6.x allows attackers to gain privileges.
https://exchange.xforce.ibmcloud.com/vulnerabilities/5747
http://www.redhat.com/support/errata/RHSA-2000-120.html
http://www.linux-mandrake.com/en/security/MDKSA-2000-082.php3
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000358