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Policy does not prevent use of root user Affecting Deployment service in Kubernetes

Severity

0.0
medium
0
10
    Severity Framework
    Snyk CCSS
    Rule category
    IAM / Privileged Access

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    Frameworks
    CIS-Controls CIS-Kubernetes
  • Snyk ID SNYK-CC-00635
  • credit Snyk Research Team
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Description

The Pod Security Policy does not prevent the use of the root user. Running a container as the root user in Kubernetes increases the attack surface by granting the container more privileges than necessary.

How to fix?

Set runAsUser to MustRunAsNonRoot, or exclude UID 0 from MustRunAs range.

References