Ensure that the --repair-malformed-updates argument is set to false (API Server)

Risk Level: High
Cloud Entity: Pods
CloudGuard Rule ID: D9.K8S.NET.09
Covered by Spectral: Yes
Category: Compute

GSL LOGIC

KubernetesPod where labels contain [value='kube-apiserver'] and namespace = 'kube-system' should have spec.containers with [parsedArgs contain [key like 'repair-malformed-updates' and value = 'false']]

REMEDIATION

Edit the API server pod specification file $apiserverconf
on the master node and set the below parameter.
--repair-malformed-updates=false

Pods

Pods are the smallest deployable units of computing that can be created and managed in Kubernetes. A Pod is a group of one or more containers (such as Docker containers), with shared storage/network, and a specification for how to run the containers.

Compliance Frameworks

  • CIS Kubernetes Benchmark v1.4.0
  • Kubernetes NIST.SP.800-190
  • Kubernetes v.1.13 CloudGuard Best Practices
  • Kubernetes v.1.14 CloudGuard Best Practices