RHEL-09-232080 - RHEL 9 /etc/passwd- file must have mode 0644 or less permissive to prevent unauthorized access.

Information

The "/etc/passwd-" file is a backup file of "/etc/passwd", and as such, contains information about the users that are configured on the system. Protection of this file is critical for system security.

Solution

Change the mode of the file "/etc/passwd-" to "0644" by running the following command:

$ sudo chmod 0644 /etc/passwd-

See Also

https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_RHEL_9_V2R8_STIG.zip