SV-281065r1268226: RHEL 10 must enforce mode "0750" or less permissive for local interactive user home directories. | Red Hat Enterprise Linux 10 STIG SCAP Benchmark

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Assessment Title

Rule Text

RHEL 10 must enforce mode "0750" or less permissive for local interactive user home directories.

Description

Discussion Text

Excessive permissions on local interactive user home directories may allow unauthorized access to user files by other users.

How this relates to the STIG checklist: STIG vs SCAP benchmark.

IA Controls

NIST SP 800-53

Not mappedCCI-000213

References

DPMS Target Red Hat Enterprise Linux 10 DISA DPMS Target Red Hat Enterprise Linux 10 5733

SCC Automation Reference

The reconstructed evaluation script behind this rule's OVAL check(s) — every module a compound check combines, with this rule's own concrete values and DISA's SCC tool's real per-module mechanism curated from static teardown of SCC releases.

Assessment Script Powered by AISandbox-executed

A standalone Shell script to assess this control automatically. Review before running it in your environment.

Syntax-checked and actually executed in an isolated sandbox (not the real system this checks) — confirmed to run without errors.

#!/bin/sh
# OVAL Definition: oval:mil.disa.stig.rhel10os:def:281065

check_home_dir_permissions() {
  local user_home_dir
  for user in $(getent passwd | cut -d: -f1 | grep -v '^$'); do
    user_home_dir=$(getent passwd "$user" | cut -d: -f6)
    [ -d "$user_home_dir" ] || continue
    perms=$(stat -c "%a" "$user_home_dir")
    [ "$perms" -gt 750 ] && { echo "FAIL"; exit 1; }
  done
}

check_home_dir_permissions
echo "PASS"
exit 0

Remediation

Configure RHEL 10 so that the mode of interactive user's home directories is set to "0750". 

To change the mode of a local interactive user's home directory, use the following command:

Note: The example will be for the user "disauser".

$ sudo chmod 0750 /home/disauser