SLEM 5 default permissions must be defined in such a way that all authenticated users can only read and modify their own files.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-261349 | SLEM-05-411015 | SV-261349r996502_rule | Medium |
| Description |
| Setting the most restrictive default permissions ensures that when new accounts are created, they do not have unnecessary access. |
| STIG | Date |
| SUSE Linux Enterprise Micro (SLEM) 5 Security Technical Implementation Guide | 2025-05-08 |
Details
| Check Text (C-65078r996501_chk) |
| Verify SLEM 5 defines default permissions for all authenticated users in such a way that the users can only read and modify their own files with the following command: > grep -i "^umask" /etc/login.defs UMASK 077 If the "UMASK" variable is set to "000", the severity is raised to a CAT I and this is a finding. If the value of "UMASK" is not set to "077", the line is commented out, or the line is missing, this is a finding. |
| Fix Text (F-64986r995913_fix) |
| Configure SLEM 5 to define the default permissions for all authenticated users in such a way that the users can only read and modify their own files. Add or modify the following line in the "/etc/login.defs" file: UMASK 077 |