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This article describes the support lifecycle for the Azure Linux Container Host for Azure Kubernetes Service (AKS).
Important
Microsoft is committed to meeting this support lifecycle and reserves the right to make changes to the support agreement and new scenarios that require modifications at any time with proper notice to customers and partners.
Image releases
Minor releases
At the beginning of each month, Azure Linux releases a minor image version containing medium, high, and critical package updates from the previous month. This release also includes minor kernel updates and bug fixes.
For more information on the Common Vulnerabilities and Exposures (CVE) service level agreement (SLA), see CVE infrastructure.
Major releases
For information on Azure Linux major release cadence and lifecycle, see Azure Linux release cadence and lifecycle.
The following table outlines the first and last AKS release supported by each Azure Linux version:
| Azure Linux version | First supported preview AKS version | First supported GA AKS version | Last supported AKS version |
|---|---|---|---|
| Azure Linux 2.0 | 1.24 | 1.26 | 1.31 |
| Azure Linux 3.0 | 1.31 | 1.32 | Roughly three years after 1.32 release |
AKS Long-Term Support (LTS) releases
| AKS version | Azure Linux version during AKS Standard support | Azure Linux version during AKS LTS |
|---|---|---|
| 1.27 | Azure Linux 2.0 | Azure Linux 2.0 |
| 1.28 - 1.31 | Azure Linux 2.0 | Azure Linux 2.0 (migrate to 3.0 by Nov 2025) |
| 1.32+ | Azure Linux 3.0 | Azure Linux 3.0 |