STIGQter: STIG Summary: Red Hat Enterprise Linux 10 Security Technical Implementation Guide Version: 1 Release: 2 Benchmark Date: 01 Jul 2026:

RHEL 10 must generate audit records for all uses of the "chmod", "fchmod", "fchmodat", and "fchmodat2" syscalls.

DISA Rule

SV-281163r1166441_rule

Vulnerability Number

V-281163

Group Title

SRG-OS-000037-GPOS-00015

Rule Version

RHEL-10-500780

Severity

CAT II

CCI(s)

• CCI-000130 - Ensure that audit records containing information that establishes what type of event occurred.
• CCI-000135 - Generate audit records containing the organization-defined additional information that is to be included in the audit records.
• CCI-000169 - Provide audit record generation capability for the event types the system is capable of auditing as defined in AU-2 a. on organization-defined information system components.
• CCI-002884 - Log organization-defined audit events for nonlocal maintenance and diagnostic sessions.
• CCI-000172 - Generate audit records for the event types defined in AU-2 c that include the audit record content defined in AU-3.

Weight

10

Fix Recommendation

Configure RHEL 10 to generate audit records upon successful and unsuccessful attempts to use the "chmod", "fchmod", "fchmodat", and "fchmodat2" syscalls.

Add or update the following rules in "/etc/audit/rules.d/audit.rules":

-a always,exit -F arch=b32 -S chmod,fchmod,fchmodat,fchmodat2 -F auid>=1000 -F auid!=unset -k perm_mod

-a always,exit -F arch=b64 -S chmod,fchmod,fchmodat,fchmodat2 -F auid>=1000 -F auid!=unset -k perm_mod

Restart the audit daemon with the following command for the changes to take effect:

$ sudo service auditd restart

Check Contents

Verify RHEL 10 is configured to audit the execution of the "chmod", "fchmod", "fchmodat", and "fchmodat2" syscalls with the following command:

$ sudo auditctl -l | grep chmod
-a always,exit -F arch=b32 -S chmod,fchmod,fchmodat,fchmodat2 -F auid>=1000 -F auid!=unset -k perm_mod
-a always,exit -F arch=b64 -S chmod,fchmod,fchmodat,fchmodat2 -F auid>=1000 -F auid!=unset -k perm_mod

If both the "b32" and "b64" audit rules are not defined for the "chmod", "fchmod", "fchmodat", and "fchmodat2" syscalls, this is a finding.

Vulnerability Number

V-281163

Documentable

False

Rule Version

RHEL-10-500780

Severity Override Guidance

Verify RHEL 10 is configured to audit the execution of the "chmod", "fchmod", "fchmodat", and "fchmodat2" syscalls with the following command:

$ sudo auditctl -l | grep chmod
-a always,exit -F arch=b32 -S chmod,fchmod,fchmodat,fchmodat2 -F auid>=1000 -F auid!=unset -k perm_mod
-a always,exit -F arch=b64 -S chmod,fchmod,fchmodat,fchmodat2 -F auid>=1000 -F auid!=unset -k perm_mod

If both the "b32" and "b64" audit rules are not defined for the "chmod", "fchmod", "fchmodat", and "fchmodat2" syscalls, this is a finding.

Check Content Reference

M

Target Key

5733