RHEL 9 must be a vendor-supported release.

Severity	Group ID	Group Title	Version	Rule ID	Date	STIG Version
high	V-257777	SRG-OS-000480-GPOS-00227	RHEL-09-211010	SV-257777r991589_rule	2025-02-27	2

Description
An operating system release is considered "supported" if the vendor continues to provide security patches for the product. With an unsupported release, it will not be possible to resolve security issues discovered in the system software. Red Hat offers the Extended Update Support (EUS) add-on to a Red Hat Enterprise Linux subscription, for a fee, for those customers who wish to standardize on a specific minor release for an extended period.

Description

An operating system release is considered "supported" if the vendor continues to provide security patches for the product. With an unsupported release, it will not be possible to resolve security issues discovered in the system software. Red Hat offers the Extended Update Support (EUS) add-on to a Red Hat Enterprise Linux subscription, for a fee, for those customers who wish to standardize on a specific minor release for an extended period.

ℹ️ Check
Verify that the version or RHEL 9 is vendor supported with the following command: $ cat /etc/redhat-release Red Hat Enterprise Linux release 9.2 (Plow) If the installed version of RHEL 9 is not supported, this is a finding.

✔️ Fix
Upgrade to a supported version of RHEL 9.