AWS eks medium security documentation change

Service: eks · 2025-06-28 · Security-related medium

File: eks/latest/userguide/doc-history.md

Summary

Documented addition of 'ssmmessages:OpenDataChannel' permission to EKS Local Outpost policy

Security assessment

The added permission enables secure Session Manager communication, addressing a potential operational gap in secure instance management. Explicitly modifies IAM policies for security functionality.

Diff

diff --git a/eks/latest/userguide/doc-history.md b/eks/latest/userguide/doc-history.md
index 1c10a76a5..ab2e3ad13 100644
--- a//eks/latest/userguide/doc-history.md
+++ b//eks/latest/userguide/doc-history.md
@@ -17,0 +18 @@ Change| Description| Date
+[AWS managed policy updates](https://docs.aws.amazon.com/eks/latest/userguide/security-iam-awsmanpol.html)| Added `ssmmessages:OpenDataChannel` permission to `AmazonEKSLocalOutpostServiceRolePolicy`.| June 26, 2025