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I. Basic Information for CVE-2025-47291
Vulnerability Information

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Vulnerability Title
containerd CRI plugin: Incorrect cgroup hierarchy assignment for containers running in usernamespaced Kubernetes pods.
Source: NVD (National Vulnerability Database)
Vulnerability Description
containerd is an open-source container runtime. A bug was found in the containerd's CRI implementation where containerd, starting in version 2.0.1 and prior to version 2.0.5, 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. This bug has been fixed in containerd 2.0.5+ and 2.1.0+. Users should update to these versions to resolve the issue. As a workaround, disable usernamespaced pods in Kubernetes temporarily.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
特权授予不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
containerd 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
containerd是containerd开源的一个行业标准的容器运行时。 containerd 2.0.1至2.0.5之前版本存在安全漏洞,该漏洞源于未将用户命名空间容器置于Kubernetes cgroup层次结构下,可能导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
containerdcontainerd >= 2.0.1, < 2.0.5 -
II. Public POCs for CVE-2025-47291
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III. Intelligence Information for CVE-2025-47291
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