AlmaLinux OS 9 must disable the use of user namespaces.
An XCCDF Rule
Description
User namespaces are used primarily for Linux containers. The value "0" disallows the use of user namespaces.
- ID
- SV-269284r1050166_rule
- Version
- ALMA-09-023010
- Severity
- Medium
- References
- Updated
Remediation Templates
A Manual Procedure
Configure AlmaLinux OS 9 to disable the use of user namespaces.
$ sysctl -w user.max_user_namespaces=0
The system configuration files need to be reloaded for the changes to take effect. To reload the contents of the files, run the following command:
$ sysctl --system