AlmaLinux OS 9 must conceal, via the session lock, information previously visible on the display with a publicly viewable image.
An XCCDF Rule
Description
Setting the screensaver mode to blank-only conceals the contents of the display from passersby.
- ID
- SV-269104r1049986_rule
- Version
- ALMA-09-001230
- Severity
- Medium
- References
- Updated
Remediation Templates
A Manual Procedure
Configure AlmaLinux OS 9 to prevent a user from overriding the picture-uri setting for graphical user interfaces.
First, in the file "/etc/dconf/db/local.d/00-security-settings" add or update the following lines:
[org/gnome/desktop/screensaver]
picture-uri=''