{"id":"CVE-2025-47291","aliases":["GHSA-cxfp-7pvr-95ff","GO-2025-3701"],"url":"https://o3.security/vulnerability/CVE-2025-47291","summary":"containerd CRI plugin: Incorrect cgroup hierarchy assignment for containers running in usernamespaced Kubernetes pods.","details":"# Impact\n\nA bug was found in the containerd's CRI implementation where containerd doesn't put usernamespaced containers under the Kubernetes' cgroup hierarchy, therefore some Kubernetes limits are not honored. This may cause a denial of service of the Kubernetes node.\n\n# Patches\n\nThis bug has been fixed in containerd 2.0.5+ and 2.1.0+. Users should update to these versions to resolve the issue.\n\n# Workarounds\n\nDisable usernamespaced pods in Kubernetes temporarily.\n\n# Credits\n\nThe containerd project would like to thank Rodrigo Campos Catelin and Piotr Rogowski for responsibly disclosing this issue in accordance with the [containerd security policy](https://github.com/containerd/project/blob/main/SECURITY.md).\n\n#  For more information\nIf you have any questions or comments about this advisory:\n\n* Open an issue in [containerd](https://github.com/containerd/containerd/issues/new/choose)\n* Email us at security@containerd.io\n\nTo report a security issue in containerd:\n* [Report a new vulnerability](https://github.com/containerd/containerd/security/advisories/new)\n* Email us at [security@containerd.io](mailto:security@containerd.io)","published":"2025-05-21T17:26:31.141Z","modified":"2026-10-28T02:30:48.710187014Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/containerd/containerd/v2","fixedVersion":"2.0.5"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/47xxx/CVE-2025-47291.json"},{"type":"ADVISORY","url":"https://github.com/containerd/containerd/security/advisories/GHSA-cxfp-7pvr-95ff"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-47291"},{"type":"PACKAGE","url":"https://github.com/containerd/containerd"},{"type":"WEB","url":"https://pkg.go.dev/vuln/GO-2025-3701"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-28T02:30:48.710187014Z"}}