Detections
Analytics

1.222 RHEL-10-500670

Information

RHEL 10 must generate audit records for successful and unsuccessful uses of the "umount2" system call.

GROUP ID: V-281153
RULE ID: SV-281153r1166411

The changing of file permissions could indicate that a user is attempting to gain access to information that would otherwise be disallowed. Auditing discretionary access control (DAC) modifications can facilitate the identification of patterns of abuse among both authorized and unauthorized users.

Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215

Solution

Configure RHEL 10 to generate audit records upon successful and unsuccessful uses of the "umount2" system call by adding or updating the following rules in a file in "/etc/audit/rules.d":

-a always,exit -F arch=b32 -S umount2 -F auid>=1000 -F auid!=unset -k privileged-umount-a always,exit -F arch=b64 -S umount2 -F auid>=1000 -F auid!=unset -k privileged-umount

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

$ sudo service auditd restart

See Also

https://workbench.cisecurity.org/benchmarks/26403

Item Details

Category: AUDIT AND ACCOUNTABILITY, MAINTENANCE

References: 800-53|AU-3, 800-53|AU-12a., 800-53|AU-12c., 800-53|MA-4(1), CAT|II, CCI|CCI-000130, CCI|CCI-000169, CCI|CCI-000172, CCI|CCI-002884, Rule-ID|SV-281153r1166411_rule, STIG-ID|RHEL-10-500670, Vuln-ID|V-281153

Plugin: Unix

Control ID: d66bf4409a73b66d03042cc668ba188a2bf9b5bc9646b5ab091b7f6e76b63bbd