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AWS lambda documentation change

Service: lambda · 2025-04-03 · Documentation low

File: lambda/latest/dg/configuration-codesigning-create.md

Summary

Added note about container image limitations and clarified code signing configuration behavior

Security assessment

Documents security feature limitations and operational behavior without addressing specific vulnerabilities

Diff

diff --git a/lambda/latest/dg/configuration-codesigning-create.md b/lambda/latest/dg/configuration-codesigning-create.md
index dc95b9d2b..90edc5e7e 100644
--- a//lambda/latest/dg/configuration-codesigning-create.md
+++ b//lambda/latest/dg/configuration-codesigning-create.md
@@ -10,0 +11,4 @@ To enable code signing for a function, you create a _code signing configuration_
+###### Note
+
+Functions defined as container images do not support code signing.
+
@@ -26,3 +30 @@ Before you can configure code signing for a Lambda function, use AWS Signer to d
-  * Create one or more signing profiles.
-
-  * Use a signing profile to create a signed code package for your function.
+  * Create one or more [signing profiles](https://docs.aws.amazon.com/signer/latest/developerguide/signing-profiles.html).
@@ -29,0 +32 @@ Before you can configure code signing for a Lambda function, use AWS Signer to d
+  * Use a signing profile to [create a signed code package for your function](https://docs.aws.amazon.com/signer/latest/developerguide/lambda-workflow.html).
@@ -33 +35,0 @@ Before you can configure code signing for a Lambda function, use AWS Signer to d
-For more information, see [Creating Signing Profiles (Console)](https://docs.aws.amazon.com/signer/latest/developerguide/ConsoleLambda.html) in the _AWS Signer Developer Guide_.
@@ -62 +64,5 @@ A code signing configuration defines a list of allowed signing profiles and the
-To enable code signing for a function, you associate a code signing configuration with the function.
+To enable code signing for a function, add a code signing configuration to the function.
+
+###### Important
+
+Code signing configurations only prevent new deployments of unsigned code. If you add a code signing configuration to an existing function that has unsigned code, that code keeps running until you deploy a new code package.
@@ -91 +97 @@ Code signing
-Update configuration
+Permissions