OL 9 must disable the graphical user interface automount function unless required.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-271670 | OL09-00-002100 | SV-271670r1091722_rule | Medium |
| Description |
| Automatically mounting file systems permits easy introduction of unknown devices, thereby facilitating malicious activity. Satisfies: SRG-OS-000114-GPOS-00059, SRG-OS-000378-GPOS-00163 |
| STIG | Date |
| Oracle Linux 9 Security Technical Implementation Guide | 2025-05-08 |
Details
| Check Text (C-75720r1091720_chk) |
| This requirement assumes the use of the OL 9 default graphical user interface—the GNOME desktop environment. If the system does not have any graphical user interface installed, this requirement is Not Applicable. Verify that OL 9 disables the graphical user interface automount function with the following command: $ gsettings get org.gnome.desktop.media-handling automount-open false If "automount-open" is set to "true", and is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding. |
| Fix Text (F-75627r1091721_fix) |
| Configure the GNOME desktop to disable automated mounting of removable media. The dconf settings can be edited in the /etc/dconf/db/* location. Update the [org/gnome/desktop/media-handling] section of the "/etc/dconf/db/local.d/00-security-settings" database file and add or update the following lines: [org/gnome/desktop/media-handling] automount-open=false Update the dconf system databases: $ sudo dconf update |