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AWS AWSCloudFormation documentation change

Service: AWSCloudFormation · 2025-08-13 · Documentation low

File: AWSCloudFormation/latest/TemplateReference/aws-properties-imagebuilder-imagerecipe-ebsinstanceblockdevicespecification.md

Summary

Updated KMS key documentation to specify ARN format requirements

Security assessment

Enhances encryption configuration guidance but does not patch a vulnerability.

Diff

diff --git a/AWSCloudFormation/latest/TemplateReference/aws-properties-imagebuilder-imagerecipe-ebsinstanceblockdevicespecification.md b/AWSCloudFormation/latest/TemplateReference/aws-properties-imagebuilder-imagerecipe-ebsinstanceblockdevicespecification.md
index 57c55e183..c194af2d4 100644
--- a//AWSCloudFormation/latest/TemplateReference/aws-properties-imagebuilder-imagerecipe-ebsinstanceblockdevicespecification.md
+++ b//AWSCloudFormation/latest/TemplateReference/aws-properties-imagebuilder-imagerecipe-ebsinstanceblockdevicespecification.md
@@ -85 +85 @@ _Required_ : No
-Use to configure the KMS key to use when encrypting the device.
+The Amazon Resource Name (ARN) that uniquely identifies the KMS key to use when encrypting the device. This can be either the Key ARN or the Alias ARN. For more information, see [Key identifiers (KeyId)](https://docs.aws.amazon.com/kms/latest/developerguide/concepts.html#key-id-key-ARN) in the _AWS Key Management Service Developer Guide_.