STIGQter: STIG Summary: Tri-Lab Operating System Stack (TOSS) 5 Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 26 Mar 2026:

TOSS 5 must implement nonexecutable data to protect its memory from unauthorized code execution.

DISA Rule

SV-282610r1200810_rule

Vulnerability Number

V-282610

Group Title

SRG-OS-000433-GPOS-00192

Rule Version

TOSS-05-000114

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.

Run the following command:

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

Check Contents

Verify ExecShield is enabled on 64-bit TOSS 5 systems using the following command:

$ sudo 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-282610

Documentable

False

Rule Version

TOSS-05-000114

Severity Override Guidance

Verify ExecShield is enabled on 64-bit TOSS 5 systems using the following command:

$ sudo 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

5738