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The SUSE operating system clock must, for networked systems, be synchronized to an authoritative DOD time source at least every 24 hours.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-234849SLES-15-010400SV-234849r1038944_ruleCCI-004923medium
Description
Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the correct time a particular event occurred on a system is critical when conducting forensic analysis and investigating system events. Sources outside the configured acceptable allowance (drift) may be inaccurate. Synchronizing internal information system clocks provides uniformity of time stamps for information systems with multiple system clocks and systems connected over a network. Organizations should consider endpoints that may not have regular access to the authoritative time server (e.g., mobile, teleworking, and tactical endpoints). Satisfies: SRG-OS-000355-GPOS-00143, SRG-OS-000356-GPOS-00144
STIGDate
SUSE Linux Enterprise Server 15 Security Technical Implementation Guide2026-02-19

Related Frameworks

1 mapping across 3 frameworks
SCF0 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (1) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

MON-07.1Synchronization With Authoritative Time Source
1.00
NIST 800-530 mappings

No source states a mapping between these directly.

Also reachable in 2 hops (9) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

AC-17(9)Disconnect or Disable Access
1.00
AU-8Time Stamps
1.00
AU-8(1)Synchronization with Authoritative Time Source
1.00
AU-8(2)Secondary Authoritative Time Source
1.00
CM-6Configuration Settings
1.00
IA-3(1)Cryptographic Bidirectional Authentication
1.00
SC-45System Time Synchronization
1.00
SC-45(1)Synchronization with Authoritative Time Source
1.00
SC-45(2)Secondary Authoritative Time Source
1.00
CCI1 mapping
CCI-004923
1.00

Details

Check Text (C-234849r1038944_chk)

The SUSE operating system clock must be configured to synchronize to an authoritative DOD time source when the time difference is greater than one second. Check that the SUSE operating system clock must be configured to synchronize to an authoritative DOD time source when the time difference is greater than one second with the following command: > sudo grep maxpoll /etc/chrony.conf server 0.us.pool.ntp.mil maxpoll 16 If nothing is returned, "maxpoll" is greater than "16", or is commented out, this is a finding. Verify the "chrony.conf" file is configured to an authoritative DOD time source by running the following command: > sudo grep -i server /etc/chrony.conf server 0.us.pool.ntp.mil If the parameter "server" is not set, is not set to an authoritative DOD time source, or is commented out, this is a finding.

Fix Text (F-38000r986467_fix)

The SUSE operating system clock must be configured to synchronize to an authoritative DOD time source when the time difference is greater than one second. To configure the system clock to synchronize to an authoritative DOD time source at least every 24 hours, edit the file "/etc/chrony.conf". Add or correct the following lines by replacing "[time_source]" with an authoritative DOD time source: server [time_source] maxpoll 16