Ubuntu 22.04 LTS default filesystem permissions must be defined in such a way that all authenticated users can read and modify only their own files.
An XCCDF Rule
Description
Setting the most restrictive default permissions ensures newly created accounts do not have unnecessary access.
- ID
- SV-260555r991590_rule
- Version
- UBTU-22-412035
- Severity
- Medium
- References
- Updated
Remediation Templates
A Manual Procedure
Configure Ubuntu 22.04 LTS to define the default permissions for all authenticated users in such a way that the user can read and modify only their own files.
Add or modify the following line in the "/etc/login.defs" file:
UMASK 077