STIGQter: STIG Summary: Nutanix Acropolis GPOS Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 26 Jan 2026:

Nutanix OS must configure /etc/audit/audit.rules to generate audit records for account deletion actions.

DISA Rule

SV-279551r1192401_rule

Vulnerability Number

V-279551

Group Title

SRG-OS-000062-GPOS-00031

Rule Version

NXAC-OS-000045

Severity

CAT II

CCI(s)

• 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-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

1. For AOS, configure the audit rules.

$ sudo salt-call state.sls security/CVM/auditCVM

2. For Prism Central, configure the audit rules.

$ sudo salt-call state.sls security/PCVM/auditPCVM

3. For Files, configure the audit rules.

$ sudo salt-call state.sls security/AFS/auditAFS

4. For AHV, configure the audit rules.

$ sudo salt-call state.sls security/KVM/auditKVM

Check Contents

Verify Nutanix OS auditing is configured to generate audit records for all Access actions, such as successful and unsuccessful logon attempts, privileged activities or other system-level access, starting and ending time for user access to the system, concurrent logons from different workstations, successful and unsuccessful accesses to objects, all program initiations, and all direct access to the information system using the following commands.

$ sudo grep -w lremovexattr /etc/audit/audit.rules
-a always,exit -F arch=b64 -S lremovexattr -F auid=0 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b64 -S lremovexattr -F auid>=1000 -F auid!=4294967295 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b32 -S lremovexattr -F auid=0 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b32 -S lremovexattr -F auid>=1000 -F auid!=4294967295 -k audit_time_perm_mod_export_delete

$ sudo grep -w removexattr /etc/audit/audit.rules
-a always,exit -F arch=b64 -S removexattr -F auid=0 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b64 -S removexattr -F auid>=1000 -F auid!=4294967295 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b32 -S removexattr -F auid=0 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b32 -S removexattr -F auid>=1000 -F auid!=4294967295 -k audit_time_perm_mod_export_delete

$ sudo grep -w lsetxattr /etc/audit/audit.rules
-a always,exit -F arch=b64 -S lsetxattr -F auid=0 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b64 -S lsetxattr-F auid>=1000 -F auid!=4294967295 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b32 -S lsetxattr -F auid=0 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b32 -S lsetxattr -F auid>=1000 -F auid!=4294967295 -k audit_time_perm_mod_export_delete

$ sudo grep -w fsetxattr /etc/audit/audit.rules
-a always,exit -F arch=b64 -S fsetxattr -F auid=0 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b64 -S fsetxattr-F auid>=1000 -F auid!=4294967295 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b32 -S fsetxattr -F auid=0 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b32 -S fsetxattr -F auid>=1000 -F auid!=4294967295 -k audit_time_perm_mod_export_delete

$ sudo grep -w fremovexattr /etc/audit/audit.rules
-a always,exit -F arch=b64 -S fremovexattr -F auid=0 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b64 -S fremovexattr -F auid>=1000 -F auid!=4294967295 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b32 -S fremovexattr -F auid=0 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b32 -S fremovexattr -F auid>=1000 -F auid!=4294967295 -k audit_time_perm_mod_export_delete

$ sudo grep -w setxattr /etc/audit/audit.rules
-a always,exit -F arch=b64 -S setxattr -F auid=0 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b64 -S setxattr -F auid>=1000 -F auid!=4294967295 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b32 -S setxattr -F auid=0 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b32 -S setxattr -F auid>=1000 -F auid!=4294967295 -k audit_time_perm_mod_export_delete

If the command(s) does not return the appropriate response line, as indicated above, or if the line(s) is commented out, this is a finding.

Vulnerability Number

V-279551

Documentable

False

Rule Version

NXAC-OS-000045

Severity Override Guidance

Verify Nutanix OS auditing is configured to generate audit records for all Access actions, such as successful and unsuccessful logon attempts, privileged activities or other system-level access, starting and ending time for user access to the system, concurrent logons from different workstations, successful and unsuccessful accesses to objects, all program initiations, and all direct access to the information system using the following commands.

$ sudo grep -w lremovexattr /etc/audit/audit.rules
-a always,exit -F arch=b64 -S lremovexattr -F auid=0 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b64 -S lremovexattr -F auid>=1000 -F auid!=4294967295 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b32 -S lremovexattr -F auid=0 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b32 -S lremovexattr -F auid>=1000 -F auid!=4294967295 -k audit_time_perm_mod_export_delete

$ sudo grep -w removexattr /etc/audit/audit.rules
-a always,exit -F arch=b64 -S removexattr -F auid=0 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b64 -S removexattr -F auid>=1000 -F auid!=4294967295 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b32 -S removexattr -F auid=0 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b32 -S removexattr -F auid>=1000 -F auid!=4294967295 -k audit_time_perm_mod_export_delete

$ sudo grep -w lsetxattr /etc/audit/audit.rules
-a always,exit -F arch=b64 -S lsetxattr -F auid=0 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b64 -S lsetxattr-F auid>=1000 -F auid!=4294967295 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b32 -S lsetxattr -F auid=0 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b32 -S lsetxattr -F auid>=1000 -F auid!=4294967295 -k audit_time_perm_mod_export_delete

$ sudo grep -w fsetxattr /etc/audit/audit.rules
-a always,exit -F arch=b64 -S fsetxattr -F auid=0 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b64 -S fsetxattr-F auid>=1000 -F auid!=4294967295 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b32 -S fsetxattr -F auid=0 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b32 -S fsetxattr -F auid>=1000 -F auid!=4294967295 -k audit_time_perm_mod_export_delete

$ sudo grep -w fremovexattr /etc/audit/audit.rules
-a always,exit -F arch=b64 -S fremovexattr -F auid=0 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b64 -S fremovexattr -F auid>=1000 -F auid!=4294967295 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b32 -S fremovexattr -F auid=0 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b32 -S fremovexattr -F auid>=1000 -F auid!=4294967295 -k audit_time_perm_mod_export_delete

$ sudo grep -w setxattr /etc/audit/audit.rules
-a always,exit -F arch=b64 -S setxattr -F auid=0 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b64 -S setxattr -F auid>=1000 -F auid!=4294967295 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b32 -S setxattr -F auid=0 -k audit_time_perm_mod_export_delete
-a always,exit -F arch=b32 -S setxattr -F auid>=1000 -F auid!=4294967295 -k audit_time_perm_mod_export_delete

If the command(s) does not return the appropriate response line, as indicated above, or if the line(s) is commented out, this is a finding.

Check Content Reference

M

Target Key

5730