STIGQter: STIG Summary: Cloud Linux AlmaLinux OS 9 Security Technical Implementation Guide Version: 1 Release: 7 Benchmark Date: 01 Jul 2026:

AlmaLinux OS 9 must implement nonexecutable data to protect its memory from unauthorized code execution.

DISA Rule

SV-269449r1050620_rule

Vulnerability Number

V-269449

Group Title

SRG-OS-000433-GPOS-00192

Rule Version

ALMA-09-044570

Severity

CAT II

CCI(s)

• CCI-002824 - Implement organization-defined controls to protect its memory from unauthorized code execution.

Weight

10

Fix Recommendation

Update the GRUB 2 bootloader configuration to ensure the noexec kernel parameter is not enabled using the following command:

$ grubby --update-kernel=ALL --remove-args=noexec

Enable the NX bit execute protection in the system BIOS.

Check Contents

Verify ExecShield is enabled on 64-bit AlmaLinux OS 9 systems with the following command:

$ dmesg | grep '[NX|DX]*protection'

[ 0.000000] NX (Execute Disable) protection: active

If "dmesg" does not show "NX (Execute Disable) protection active", this is a finding.

Vulnerability Number

V-269449

Documentable

False

Rule Version

ALMA-09-044570

Severity Override Guidance

Verify ExecShield is enabled on 64-bit AlmaLinux OS 9 systems with the following command:

$ dmesg | grep '[NX|DX]*protection'

[ 0.000000] NX (Execute Disable) protection: active

If "dmesg" does not show "NX (Execute Disable) protection active", this is a finding.

Check Content Reference

M

Target Key

5664