| ALMA-09-055350 | V1R1 | AlmaLinux OS 9 must securely compare internal information system clocks at least every 24 hours. | |
| UBTU-18-010502 | V2R15 | The Ubuntu operating system must synchronize internal information system clocks to the authoritative time source when the time difference is greater than one second. | |
| UBTU-20-010436 | V1R9 | The Ubuntu operating system must synchronize internal information system clocks to the authoritative time source when the time difference is greater than one second. | |
| UBTU-24-600180 | V1R1 | Ubuntu 24.04 LTS must synchronize internal information system clocks to the authoritative time source when the time difference is greater than one second. | |
| UBTU-22-252015 | V2R1 | Ubuntu 22.04 LTS must synchronize internal information system clocks to the authoritative time source when the time difference is greater than one second. | |