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CRI-O

On the record

Image registries
CRI-O supports OCI container images and can pull images from any container registry.cri-o.io · read 7 Oct 2026
Images
CRI-O supports OCI container images and can pull images from any container registry.cri-o.io · read 7 Oct 2026
Installation
The project site provides RPM and DEB installation instructions and notes Fedora packaging is available.cri-o.io · read 7 Oct 2026
Kubernetes compatibility
CRI-O follows Kubernetes release cycles and its n-2 version-skew policy for feature graduation, deprecation, or removal.github.com · read 7 Oct 2026
License
The project repository identifies its license as Apache-2.0.github.com · read 7 Oct 2026
Linux platform
The installation guide assumes a Linux machine and describes packages for Debian-based and Red Hat-based distributions.github.com · read 7 Oct 2026
Monitoring
The conmon utility monitors containers, handles logging, serves attach clients, and detects out-of-memory situations.cri-o.io · read 7 Oct 2026
Networking
CRI-O uses CNI for pod networking, and its site names Flannel, Weave, and OpenShift-SDN as tested plugins.cri-o.io · read 7 Oct 2026
Project boundary
Building, signing, and pushing images to image storage are outside the stated scope of the CRI-O project.github.com · read 7 Oct 2026
Project status
CRI-O identifies itself as a community-driven open source project and a graduated Cloud Native Computing Foundation project.cri-o.io · read 7 Oct 2026
Purpose
CRI-O implements the Kubernetes Container Runtime Interface so Kubernetes can launch and manage OCI containers.cri-o.io · read 7 Oct 2026
Release artifacts
The v1.37.2 release page lists static bundles and describes SHA-256 checksums, cosign signatures, SPDX bills of materials, OpenVEX reports, and SLSA provenance artifacts.github.com · read 7 Oct 2026
Runtime support
CRI-O supports OCI-compatible runtimes, including runc and Kata Containers.cri-o.io · read 7 Oct 2026
Security
The project describes container security separation using SELinux, capabilities, seccomp, and other policies specified by OCI.cri-o.io · read 7 Oct 2026
Storage
Its storage library supports OverlayFS, devicemapper, AUFS, and btrfs, with OverlayFS as the default driver.cri-o.io · read 7 Oct 2026
Support
The project site directs users to the #crio channel on Kubernetes Slack and the project GitHub repository.cri-o.io · read 7 Oct 2026
Support and community
The project directs users to GitHub issues and pull requests for discussions and to the Kubernetes Slack channel for chat.github.com · read 7 Oct 2026
Vulnerability information
CRI-O publishes signed OpenVEX reports with releases to indicate which dependency vulnerabilities are reachable in CRI-O code paths.github.com · read 7 Oct 2026

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