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Purlpkg:golang/github.com/containerd/containerd/v2@2.0.5
Typegolang
Namespacegithub.com/containerd/containerd
Namev2
Version2.0.5
Qualifiers
Subpath
Is_vulnerablefalse
Next_non_vulnerable_version2.0.7
Latest_non_vulnerable_version2.2.0
Affected_by_vulnerabilities
Fixing_vulnerabilities
0
url VCID-az9e-udkj-8kck
vulnerability_id VCID-az9e-udkj-8kck
summary 
containerd CRI plugin: Incorrect cgroup hierarchy assignment for containers running in usernamespaced Kubernetes pods.
# Impact

A 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.

# Patches

This bug has been fixed in containerd 2.0.5+ and 2.1.0+. Users should update to these versions to resolve the issue.

# Workarounds

Disable usernamespaced pods in Kubernetes temporarily.

# Credits

The 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).

#  For more information
If you have any questions or comments about this advisory:

* Open an issue in [containerd](https://github.com/containerd/containerd/issues/new/choose)
* Email us at security@containerd.io

To report a security issue in containerd:
* [Report a new vulnerability](https://github.com/containerd/containerd/security/advisories/new)
* Email us at [security@containerd.io](mailto:security@containerd.io)
references
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