Volcengine Kubernetes Engine
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Volcengine Kubernetes EngineVolcengine Kubernetes EngineWhat's NewSecurity announcementsKubernetes security vulnerability advisory (CVE-2024-10220)
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Kubernetes security vulnerability advisory (CVE-2024-10220)
Copy pageDownload PDFKubernetes security vulnerability advisory (CVE-2024-10220)
The security vulnerability CVE-2024-10220 was disclosed by the Kubernetes community. Attackers can exploit this vulnerability through the gitRepo volume to pull a malicious git repository, which may result in arbitrary code execution, unauthorized access to the host, or execution of binary programs. For details, refer to CVE-2024-10220: Arbitrary command execution through gitRepo volume.
Vulnerability level
The CVE-2024-10220 vulnerability is assessed as a high risk vulnerability, with a CVSS score of 8.1.
Scope of impact
- Affected kubelet versions: kubelet <= v1.28.11
- The affected VKE versions are as follows. To view version information, refer to How to view the Kubernetes version of a cluster:
- Node Kubernetes version < v1.28.15-vke.18
- Node Kubernetes version < v1.26.15-vke.25
- Node Kubernetes version < v1.24.17-vke.37
Vulnerability impact
When the VKE version in use falls within the affected range, if an attacker has permission to create Pods and the gitRepo volume is available, the attacker can pull a malicious git repository, resulting in arbitrary code execution. For more details, refer to K8s gitRepo volume arbitrary code execution (CVE-2024-10220).
Preventive measures
Use admission controllers to detect and block Pods that use gitRepo volumes. You can select admission controllers and policies such as Kyverno, OPA-gatekeeper, or ValidatingAdmissionPolicy (Kubernetes v1.30 GA) to prohibit workloads from using the GitRepo volume. Below is a ClusterPolicy that uses Kyverno to disable the GitRepo volume for your reference.
apiVersion: kyverno.io/v1
kind: ClusterPolicy
metadata:
name: disallow-gitrepo
spec:
validationFailureAction: Enforce
background: true
rules:
- name: check-for-gitrepo-volume
match:
any:
- resources:
kinds:
- Pod
validate:
message: >-
GitRepo volumes are forbidden. The fields spec.volumes[*].gitRepo must not be set.
pattern:
spec:
=(volumes):
- X(gitRepo): "null"
Remediation
- Newly created VKE clusters are not affected by this vulnerability.
- For VKE cluster nodes within the affected scope, please upgrade the cluster to the latest patch version.
- For users who are unable to use the cluster upgrade feature, please submit a ticket to obtain technical support, or adopt preventive measures.
Last updated: 2026.07.15 15:51:29
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