Nixos 21.11 · Version Status
Nixos 21.11 End of Life Date
Nixos 21.11 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
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Nixos 21.11 is past end of life. This version no longer receives security patches. 1409 days past EOL — migrate to a supported version immediately.
EOL Date
Jun 30, 2022
1409 days past EOL
Latest Release
—
Standard release
Release Date
Nov 30, 2021
Nixos 21.11 series
| Version | Latest | EOL Date | Status |
|---|
| 13.10 |
— |
May 31, 2014 |
EOL |
| 14.04 |
— |
Jan 31, 2015 |
EOL |
| 14.12 |
— |
Sep 30, 2015 |
EOL |
| 15.09 |
— |
Apr 30, 2016 |
EOL |
| 16.03 |
— |
Oct 30, 2016 |
EOL |
| 16.09 |
— |
Apr 30, 2017 |
EOL |
| 17.03 |
— |
Oct 30, 2017 |
EOL |
| 17.09 |
— |
Apr 30, 2018 |
EOL |
What does Nixos 21.11 end of life mean?
When Nixos 21.11 reaches end of life, the maintainers stop issuing security patches for this version. CVEs discovered after the EOL date are publicly disclosed on the National Vulnerability Database with no patch available. Exploit code frequently appears on GitHub within days of disclosure.
The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Running Nixos 21.11 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to a supported version or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Nixos 21.11 reach end of life?
Nixos 21.11 reached end of life on June 30, 2022. This version is no longer receiving security patches.
Is Nixos 21.11 still supported?
No. Nixos 21.11 reached end of life on June 30, 2022 and is no longer receiving security patches.
What should I upgrade to from Nixos 21.11?
What are the security risks of running Nixos 21.11 past EOL?
When Nixos 21.11 reaches end of life, the maintainers stop issuing security patches. Any CVEs disclosed after the EOL date accumulate with no remediation path. Most vulnerability scanners do not flag this — it is the CVE blind spot. Organizations running EOL Nixos should migrate immediately or implement compensating controls.