Amazon Linux 2023 must maintain an account lock until the locked account is released by an administrator.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-274157AZLX-23-002470SV-274157r1120459_ruleCCI-002238medium
Description
By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute-forcing, is reduced. Limits are imposed by locking the account.
STIGDate
Amazon Linux 2023 Security Technical Implementation Guide2026-02-27

Related Frameworks

3 paths across 3 frameworks
NIST 800-531 mapping
AC-7
1.00
  • DISA · V1R3 · disa_xccdf · related
  • DISA · 2025-01-23 · disa_cci_list · equivalent
NIST 800-1711 mapping
3.1.8
1.00
  • DISA · V1R3 · disa_xccdf · related
  • DISA · 2025-01-23 · disa_cci_list · equivalent
  • NIST · Rev 2 (Feb 2020, errata Jan 2021) · nist_800_171_app_d · equivalent
CCI1 mapping
CCI-002238
1.00
  • DISA · V1R3 · disa_xccdf · related

Details

Check Text (C-274157r1120459_chk)

Verify Amazon Linux 2023 is configured to lock an account until released by an administrator after three unsuccessful logon attempts with the command: $ grep 'unlock_time =' /etc/security/faillock.conf unlock_time = 0 If the "unlock_time" option is not set to "0", the line is missing, or commented out, this is a finding.

Fix Text (F-78153r1120458_fix)

Configure Amazon Linux 2023 to lock an account until released by an administrator after three unsuccessful logon attempts with the command: $ authselect enable-feature with-faillock Then edit the "/etc/security/faillock.conf" file as follows: unlock_time = 0