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AWS AWSEC2 medium security documentation change

Service: AWSEC2 · 2025-03-05 · Security-related medium

File: AWSEC2/latest/UserGuide/security-iam-awsmanpol.md

Summary

Updated service-linked role policy documentation with improved explanations and condition operator change (StringLike to ArnLike)

Security assessment

The change from StringLike to ArnLike condition operator represents a security hardening measure by using more precise permission scoping. The documentation update explicitly calls out this security-related policy improvement.

Diff

diff --git a/AWSEC2/latest/UserGuide/security-iam-awsmanpol.md
index 007e5f71f..079713bae 100644
--- a/AWSEC2/latest/UserGuide/security-iam-awsmanpol.md
+++ b/AWSEC2/latest/UserGuide/security-iam-awsmanpol.md
@@ -29 +29 @@ To view the permissions for this policy, see [AmazonEC2ReadOnlyAccess](https://d
-This policy is attached to the service-linked role named **AWSServiceRoleForEC2CapacityReservationFleet** to allow Capacity Reservations to create, modify, and cancel Capacity Reservations on your behalf. For more information, see [Service-linked role for Capacity Reservation Fleet](./using-service-linked-roles.html).
+This policy is attached to the service-linked role named **AWSServiceRoleForEC2CapacityReservationFleet** to allow the service to create, modify, and cancel Capacity Reservations in a Capacity Reservation Fleet on your behalf. For more information, see [Using service-linked roles for Capacity Reservation Fleet](./using-service-linked-roles.html).
@@ -97,0 +98 @@ Change | Description | Date
+AWSEC2CapacityReservationFleetRolePolicy – Updated permissions |  Amazon EC2 updated the `AWSEC2CapacityReservationFleetRolePolicy` managed policy to use the `ArnLike` condition operator instead of the `StringLike` condition operator. | March 03, 2025