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How to update sudo version in EKS Node Groups to fix CVE-2025-32463?

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Hello, We are running an EKS cluster and discovered that our nodes have sudo version 1.9.15p5, which is vulnerable to CVE-2025-32463. According to the CVE details, this vulnerability affects sudo <= 1.9.17p1 and is fixed in version 1.9.17p2 and later. What we've tried:

Upgraded both the EKS control plane and node groups However, the sudo version remains at 1.9.15p5

Current environment:

Node Group AMI: amazon/amazon-eks-node-al2023-x86_64-standard-1.34-v20251007 EKS Version: 1.34 Operating System: Amazon Linux 2023

Questions:

Is there a newer AMI available with an updated sudo version that addresses this CVE? What is the recommended approach to patch this security vulnerability in managed node groups? Should we wait for an official AMI update, or do we need to create a custom AMI? Is there a timeline for when AWS will release an updated AMI with the patched sudo version?

Any guidance on best practices for addressing this CVE in EKS environments would be greatly appreciated. Thank you!

asked 10 months ago213 views

1 Answer
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For AL 2023, latest version of SUDO package available is sudo version 1.9.15p5.

Here are two additional steps you can try.

a. Wait for Official Update: Monitor AWS Security Bulletins Wait for AWS to release an updated AMI Open a support ticket with AWS for timeline

b. Submit AWS Support Case: Title: CVE-2025-32463 - Sudo version 1.9.15p5 vulnerability in AL2023 Description:

  • Current sudo version: 1.9.15p5
  • Required version: >= 1.9.17p2
  • AMI: amazon-eks-node-al2023-x86_64-standard-1.34-v20251007
  • Impact: Security vulnerability CVE-2025-32463
  • Request: Timeline for security patch availability
AWS

answered 10 months ago

EXPERT

reviewed 7 months ago

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