STIGQter: STIG Summary: Oracle Linux 9 Security Technical Implementation Guide Version: 1 Release: 6 Benchmark Date: 01 Jul 2026:

OL 9 must mount /dev/shm with the noexec option.

DISA Rule

SV-271651r1091665_rule

Vulnerability Number

V-271651

Group Title

SRG-OS-000368-GPOS-00154

Rule Version

OL09-00-002041

Severity

CAT II

CCI(s)

• CCI-001764 - Prevent program execution in accordance with organization-defined policies, rules of behavior, and/or access agreements regarding software program usage and restrictions; rules authorizing the terms and conditions of software program usage.

Weight

10

Fix Recommendation

Configure OL 9 to mount /dev/shm with the noexec option.

Modify "/etc/fstab" to use the "noexec" option on the "/dev/shm" file system.

Check Contents

Verify that OL 9 is configured to mount /dev/shm with the noexec option.

Verify "/dev/shm" is mounted with the "noexec" option with the following command:

$ mount | grep /dev/shm
tmpfs on /dev/shm type tmpfs (rw,nodev,nosuid,noexec,seclabel)

If the /dev/shm file system is mounted without the "noexec" option, this is a finding.

Vulnerability Number

V-271651

Documentable

False

Rule Version

OL09-00-002041

Severity Override Guidance

Verify that OL 9 is configured to mount /dev/shm with the noexec option.

Verify "/dev/shm" is mounted with the "noexec" option with the following command:

$ mount | grep /dev/shm
tmpfs on /dev/shm type tmpfs (rw,nodev,nosuid,noexec,seclabel)

If the /dev/shm file system is mounted without the "noexec" option, this is a finding.

Check Content Reference

M

Target Key

5680