SUSE Linux Enterprise Server 15.4 End of Life
Support dates and upgrade guidance — rebuilt from live data.
SUSE Linux Enterprise Server 15.4 reached end of life on 31 Dec 2023. Standard support is over — security updates now require extended support, which runs to 31 Dec 2026.
Support timeline
Official dates from the SUSE Linux Enterprise Server release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 21 Jun 2022 | — |
| End of life | 31 Dec 2023 | 2.6 years ago |
| Extended support ends | 31 Dec 2026 | 144 days left |
| Latest release | — | final |
Where to go from 15.4
Recommended target: SUSE Linux Enterprise Server 16.0 (supported until 30 Nov 2027).
The newest actively supported branch is SUSE Linux Enterprise Server 16.0 (latest release ).
Frequently asked questions
Is SUSE Linux Enterprise Server 15.4 still safe to use?
SUSE Linux Enterprise Server 15.4 left standard support on 31 Dec 2023. It still receives security updates under extended support until 31 Dec 2026 — 144 days from now — but only if you are enrolled. Without it, no fixes reach you.
Can I still download SUSE Linux Enterprise Server 15.4?
Yes — the final release (15.4) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade SUSE Linux Enterprise Server 15.4 to?
Upgrade to SUSE Linux Enterprise Server 16.0, the newest actively supported branch (supported until 30 Nov 2027).