Amazon Linux 2023 must insure all interactive users have a primary group that exists.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-274159 | SRG-OS-000104-GPOS-00051 | AZLX-23-002480 | SV-274159r1120465_rule | 2025-07-15 | 1 |
| Description |
|---|
| If a user is assigned the group identifier (GID) of a group that does not exist on the system, and a group with the GID is subsequently created, the user may have unintended rights to any files associated with the group. Satisfies: SRG-OS-000104-GPOS-00051, SRG-OS-000121-GPOS-00062, SRG-OS-000042-GPOS-00020 |
| ℹ️ Check |
|---|
| Verify Amazon Linux 2023 interactive users have a valid GID with the following command: $ sudo pwck -qr If the system has any interactive users with duplicate GIDs, this is a finding. |
| ✔️ Fix |
|---|
| Configure Amazon Linux 2023 so that all GIDs are referenced in "/etc/passwd" are defined in "/etc/group". Edit the file "/etc/passwd" and ensure that every user's GID is a valid GID. |