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-257777r1155676_rule	2025-11-24	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. End Of Life dates for Red Hat Linux 9 releases are as follows: Current end of Full Support for Red Hat Linux 9 is 31 May 2027. Current end of Maintenance Support for Red Hat Linux 9 is 31 May 3032. Current end of Extended Life Cycle Support (ELS) for Red Hat Linux 9 is 31 May 2035.

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. End Of Life dates for Red Hat Linux 9 releases are as follows: Current end of Full Support for Red Hat Linux 9 is 31 May 2027. Current end of Maintenance Support for Red Hat Linux 9 is 31 May 3032. Current end of Extended Life Cycle Support (ELS) for Red Hat Linux 9 is 31 May 2035.

ℹ️ Check
Verify the version or RHEL 9 is vendor supported with the following command: $ cat /etc/redhat-release Red Hat Enterprise Linux release 9.6 (Plow) If the installed version of RHEL 9 is not supported, this is a finding.

✔️ Fix
Upgrade to a supported version of RHEL 9.