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

OL 9 must not install packages from the Extra Packages for Enterprise Linux (EPEL) repository.

DISA Rule

SV-271457r1208721_rule

Vulnerability Number

V-271457

Group Title

SRG-OS-000095-GPOS-00049

Rule Version

OL09-00-000105

Severity

CAT II

CCI(s)

• CCI-000381 - Configure the system to provide only organization-defined mission essential capabilities.

Weight

10

Fix Recommendation

Configure OL 9 to not be able to install packages from the EPEL.

Search for and remove any/all packages that came from the EPEL repo:

$ dnf repository-packages ol9_developer_EPEL remove

Remove the package that installs access to the EPEL repo:

$ dnf remove oracle-epel-release-el9

Check Contents

Verify that OL 9 is not able to install packages from the EPEL with the following command:

$ dnf repolist
repo id repo name
ol9_UEKR7 Oracle Linux 9 UEK Release 7 (x86_64)
ol9_appstream Oracle Linux 9 Application Stream Packages (x86_64)
ol9_baseos_latest Oracle Linux 9 BaseOS Latest (x86_64)
ol9_oraclelinuxmanager210_client Oracle Linux Manager Client 2.10 for Oracle Linux 9 (x86_64)

If any repositories containing the word "epel" in the name exist, this is a finding.

Vulnerability Number

V-271457

Documentable

False

Rule Version

OL09-00-000105

Severity Override Guidance

Verify that OL 9 is not able to install packages from the EPEL with the following command:

$ dnf repolist
repo id repo name
ol9_UEKR7 Oracle Linux 9 UEK Release 7 (x86_64)
ol9_appstream Oracle Linux 9 Application Stream Packages (x86_64)
ol9_baseos_latest Oracle Linux 9 BaseOS Latest (x86_64)
ol9_oraclelinuxmanager210_client Oracle Linux Manager Client 2.10 for Oracle Linux 9 (x86_64)

If any repositories containing the word "epel" in the name exist, this is a finding.

Check Content Reference

M

Target Key

5680