"Unable to change UID back to 0" was recorded after non-root user logged out from "su -" session
Issue
- After non-root user logged out from "su -" session, the following message was recorded on /var/log/secure.
su: pam_keyinit(su-l:session): Unable to change UID back to 0
Environment
- Red Hat Enterprise Linux 5
- su
- PAM
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