There are other potential reasons for updating pam to a newer version. One is that it's a security-related module, and there are bound to have been security fixes in the mean time. Another is new functionality; for example I need pam_exec -- which was added in 0.99.4.0 -- to solve https://answers.beta.launchpad.net/ubuntu/+ticket/4443
** Changed in: pam (Ubuntu) Status: Fix Released => Unconfirmed -- RFE: Update pam to 0.99 or greater https://launchpad.net/bugs/43169 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs