Red Hat Linux Red Hat Enterprise Linux · 4
All published support, including security fixes, has ended. The published end-of-support date was 2012-02-29, 5356 days ago.
Scope: software releaseAs of 2026-10-30
Lifecycle timeline
- 2005-02-15 — Release date · General availability
- 2009-03-31 — End of active support · End of maintenance
- 2012-02-29 — End of support · End of standard support
- 2017-03-31 — Extended support end · End of extended support
Why this status?
“Extended support end” (end-of-extended-support, 2017-03-31, confirmed) has also passed — extended support is over.
Red Hat Enterprise Linux releases still inside the support window
- 10 (Upcoming ELS) — support ends 2035-05-31
- 9 (Upcoming ELS) — support ends 2032-05-31
- 8 (Upcoming ELS) — support ends 2029-05-31
The cited source lists these as still supported. Check Red Hat's upgrade path for your edition and contract before planning change work.
Evidence
- Red Hat Enterprise Linux life cycle Official · checked 2026-10-30
- endoflife.date product data independent-open · checked 2026-10-30
Related
- All Red Hat Red Hat Enterprise Linux lifecycle dates· 7 tracked releases
- Red Hat RHEL & SELinux security advisories· 2469 tracked
- CVE email alerts for Red Hat
Status is calculated from the published milestones. When a vendor does not publish a date, this page says so and does not estimate one.