STIGQter STIGQter: STIG Summary: Red Hat Enterprise Linux 8 Security Technical Implementation Guide Version: 1 Release: 2 Benchmark Date: 23 Apr 2021:

The systemd Ctrl-Alt-Delete burst key sequence in RHEL 8 must be disabled.

DISA Rule

SV-230531r627750_rule

Vulnerability Number

V-230531

Group Title

SRG-OS-000480-GPOS-00227

Rule Version

RHEL-08-040172

Severity

CAT I

CCI(s)

Weight

10

Fix Recommendation

Configure the system to disable the CtrlAltDelBurstAction by added or modifying the following line in the "/etc/systemd/system.conf" configuration file:

CtrlAltDelBurstAction=none

Reload the daemon for this change to take effect.

$ sudo systemctl daemon-reload

Check Contents

Verify RHEL 8 is not configured to reboot the system when Ctrl-Alt-Delete is pressed seven times within two seconds with the following command:

$ sudo grep -i ctrl /etc/systemd/system.conf

CtrlAltDelBurstAction=none

If the "CtrlAltDelBurstAction" is not set to "none", commented out, or is missing, this is a finding.

Vulnerability Number

V-230531

Documentable

False

Rule Version

RHEL-08-040172

Severity Override Guidance

Verify RHEL 8 is not configured to reboot the system when Ctrl-Alt-Delete is pressed seven times within two seconds with the following command:

$ sudo grep -i ctrl /etc/systemd/system.conf

CtrlAltDelBurstAction=none

If the "CtrlAltDelBurstAction" is not set to "none", commented out, or is missing, this is a finding.

Check Content Reference

M

Target Key

2921

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