RHEL 9 /etc/passwd- file must have mode 0644 or less permissive to prevent unauthorized access.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-257896 | RHEL-09-232080 | SV-257896r991589_rule | CCI-000366 | medium |
| Description | ||||
| 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. | ||||
| STIG | Date | |||
| Red Hat Enterprise Linux 9 Security Technical Implementation Guide | 2025-05-14 | |||
Related Frameworks
4 paths across 3 frameworks
Related Frameworks
NIST 800-531 mapping
CM-6
1.00
- DISA · 2 · disa_xccdf · related
- DISA · 2025-01-23 · disa_cci_list · equivalent
NIST 800-1712 mappings
3.4.1
1.00
- DISA · 2 · disa_xccdf · related
- DISA · 2025-01-23 · disa_cci_list · equivalent
- NIST · Rev 2 (Feb 2020, errata Jan 2021) · nist_800_171_app_d · equivalent
3.4.2
1.00
- DISA · 2 · disa_xccdf · related
- DISA · 2025-01-23 · disa_cci_list · equivalent
- NIST · Rev 2 (Feb 2020, errata Jan 2021) · nist_800_171_app_d · equivalent
CCI1 mapping
CCI-000366
1.00
- DISA · 2 · disa_xccdf · related
Details
Check Text (C-257896r991589_chk)
Verify that the "/etc/passwd-" file has mode "0644" or less permissive with the following command:
$ sudo stat -c "%a %n" /etc/passwd-
644 /etc/passwd-
If a value of "0644" or less permissive is not returned, this is a finding.
Fix Text (F-61561r925674_fix)
Change the mode of the file "/etc/passwd-" to "0644" by running the following command:
$ sudo chmod 0644 /etc/passwd-