Amazon Linux 2023 must require reauthentication when using the "sudo" command.

Severity	Group ID	Group Title	Version	Rule ID	Date	STIG Version
medium	V-274014	SRG-OS-000373-GPOS-00157	AZLX-23-001010	SV-274014r1120030_rule	2025-07-15	1

Description
Without reauthentication, users may access resources or perform tasks for which they do not have authorization.

ℹ️ Check
Verify Amazon Linux 2023 requires reauthentication when using the "sudo" command to elevate privileges with the following command: $ sudo grep -ir 'timestamp_timeout' /etc/sudoers /etc/sudoers.d/ /etc/sudoers:Defaults timestamp_timeout=0 If results are returned from more than one file location, this is a finding. If "timestamp_timeout" is set to a negative number, is commented out, or no results are returned, this is a finding.

ℹ️ Check

Verify Amazon Linux 2023 requires reauthentication when using the "sudo" command to elevate privileges with the following command: $ sudo grep -ir 'timestamp_timeout' /etc/sudoers /etc/sudoers.d/ /etc/sudoers:Defaults timestamp_timeout=0 If results are returned from more than one file location, this is a finding. If "timestamp_timeout" is set to a negative number, is commented out, or no results are returned, this is a finding.

✔️ Fix
Configure Amazon Linux 2023 to reauthenticate "sudo" commands after the specified timeout: Add the following line to "/etc/sudoers" or a file in "/etc/sudoers.d": Defaults timestamp_timeout=0