Security: This release includes new GKE versions that use updated Container-Optimized OS images.

This release includes new GKE versions that use updated Container-Optimized OS images. These updated images are cumulative, incorporating security fixes from all Container-Optimized OS versions released since the previous GKE release.

To identify the specific vulnerabilities that were resolved in each updated Container-Optimized OS image, see the Security release notes for that image. The following table includes links to the release notes for each updated Container-Optimized OS image:

GKE version Container-Optimized OS version Details

1.31.14-gke.2825000 cos-121-18867-584-32 cos-121-18867-584-32 release notes

1.32.13-gke.2567000 cos-121-18867-584-32 cos-121-18867-584-32 release notes

1.33.13-gke.1815000 cos-121-18867-584-32 cos-121-18867-584-32 release notes

1.34.12-gke.1011000 cos-125-19216-655-40 cos-125-19216-655-40 release notes

1.35.8-gke.1796000 cos-125-19216-655-40 cos-125-19216-655-40 release notes

1.38.0-gke.2240000+preview cos-beta-133-19999-44-28 cos-beta-133-19999-44-28 release notes