ROSANodePoolManagementPolicy

Last Modified

Jul 29, 2026

July 29, 2026 at 05:03 PM UTC

Version

Total Versions

Created

Jul 29, 2026

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Risk

Medium

The same capabilities in a scoped form, resource policy writes, reads across all data, or full access to a whole service. Read from this policy document alone: trust policies, boundaries and SCPs in your account still decide what actually succeeds. How this is assessed

Medium
Can launch resources that run as a more privileged role
Grants the actions of 1 documented escalation path, but only on named resources or under a condition. Review that scope before trusting it.
- ec2-001iam:PassRole + ec2:RunInstancesscoped
  - iam:PassRole: condition iam:PassedToService, on arn:*:iam::*:role/*-ROSA-Worker-Role
Use with caution: Check which roles, users or policies fall inside the scope shown above. Within it the escalation works as documented, so keep privileged principals out of it.

Policy Document

View on GitHub

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282{
  "PolicyVersion": {
    "Document": {
      "Version": "2012-10-17",
      "Statement": [
        {
          "Sid": "ReadPermissions",
          "Action": [
            "ec2:DescribeDhcpOptions",
            "ec2:DescribeImages",
            "ec2:DescribeInstances",
            "ec2:DescribeInstanceTypes",
            "ec2:DescribeInternetGateways",
            "ec2:DescribeNetworkInterfaces",
            "ec2:DescribeNetworkInterfaceAttribute",
            "ec2:DescribeRouteTables",
            "ec2:DescribeSecurityGroups",
            "ec2:DescribeSubnets",
            "ec2:DescribeVpcs"
          ],
          "Effect": "Allow",
          "Resource": [
            "*"
          ]
        },
        {
          "Sid": "CreateServiceLinkedRole",
          "Action": [
            "iam:CreateServiceLinkedRole"
          ],
          "Effect": "Allow",
          "Resource": [
            "arn:*:iam::*:role/aws-service-role/elasticloadbalancing.amazonaws.com/AWSServiceRoleForElasticLoadBalancing"
          ],
          "Condition": {
            "StringLike": {
              "iam:AWSServiceName": "elasticloadbalancing.amazonaws.com"
            }
          }
        },
        {
          "Sid": "PassWorkerRole",
          "Action": [
            "iam:PassRole"
          ],
          "Effect": "Allow",
          "Resource": [
            "arn:*:iam::*:role/*-ROSA-Worker-Role"
          ],
          "Condition": {
            "StringEquals": {
              "iam:PassedToService": [
                "ec2.amazonaws.com"
              ]
            }
          }
        },
        {
          "Sid": "AuthorizeSecurityGroupIngressRestrictedResourceTag",
          "Effect": "Allow",
          "Action": [
            "ec2:AuthorizeSecurityGroupIngress"
          ],
          "Resource": [
            "arn:aws:ec2:*:*:security-group/*",
            "arn:aws:ec2:*:*:security-group-rule/*"
          ],
          "Condition": {
            "StringEquals": {
              "aws:ResourceTag/red-hat-managed": "true"
            }
          }
        },
        {
          "Sid": "NetworkInterfaces",
          "Effect": "Allow",
          "Action": [
            "ec2:ModifyNetworkInterfaceAttribute"
          ],
          "Resource": [
            "arn:aws:ec2:*:*:instance/*"
          ],
          "Condition": {
            "StringEquals": {
              "aws:ResourceTag/red-hat-managed": "true"
            }
          }
        },
        {
          "Sid": "NetworkInterfacesNoCondition",
          "Effect": "Allow",
          "Action": [
            "ec2:ModifyNetworkInterfaceAttribute"
          ],
          "Resource": [
            "arn:aws:ec2:*:*:network-interface/*",
            "arn:aws:ec2:*:*:security-group/*",
            "arn:aws:ec2:*:*:vpc/*"
          ]
        },
        {
          "Sid": "TerminateInstances",
          "Effect": "Allow",
          "Action": [
            "ec2:TerminateInstances"
          ],
          "Resource": [
            "arn:aws:ec2:*:*:instance/*"
          ],
          "Condition": {
            "StringEquals": {
              "aws:ResourceTag/red-hat-managed": "true"
            }
          }
        },
        {
          "Sid": "CreateTags",
          "Effect": "Allow",
          "Action": [
            "ec2:CreateTags"
          ],
          "Resource": [
            "arn:aws:ec2:*:*:instance/*",
            "arn:aws:ec2:*:*:volume/*",
            "arn:aws:ec2:*:*:network-interface/*"
          ],
          "Condition": {
            "StringEquals": {
              "ec2:CreateAction": [
                "RunInstances"
              ]
            }
          }
        },
        {
          "Sid": "CreateTagsCAPAControllerReconcileNetworkInterface",
          "Effect": "Allow",
          "Action": [
            "ec2:CreateTags"
          ],
          "Resource": [
            "arn:aws:ec2:*:*:network-interface/*"
          ],
          "Condition": {
            "StringEquals": {
              "aws:RequestTag/red-hat-managed": "true"
            }
          }
        },
        {
          "Sid": "CreateTagsCAPAControllerReconcileInstance",
          "Effect": "Allow",
          "Action": [
            "ec2:CreateTags"
          ],
          "Resource": [
            "arn:aws:ec2:*:*:instance/*"
          ],
          "Condition": {
            "StringEquals": {
              "aws:ResourceTag/red-hat-managed": "true"
            }
          }
        },
        {
          "Sid": "CreateTagsCAPAControllerReconcileVolume",
          "Effect": "Allow",
          "Action": [
            "ec2:CreateTags"
          ],
          "Resource": [
            "arn:aws:ec2:*:*:volume/*"
          ],
          "Condition": {
            "StringEquals": {
              "aws:RequestTag/red-hat-managed": "true"
            }
          }
        },
        {
          "Sid": "RunInstancesRequest",
          "Effect": "Allow",
          "Action": [
            "ec2:RunInstances"
          ],
          "Resource": [
            "arn:aws:ec2:*:*:instance/*"
          ],
          "Condition": {
            "StringEquals": {
              "aws:RequestTag/red-hat-managed": "true"
            }
          }
        },
        {
          "Sid": "RunInstancesNoCondition",
          "Effect": "Allow",
          "Action": [
            "ec2:RunInstances"
          ],
          "Resource": [
            "arn:aws:ec2:*:*:network-interface/*",
            "arn:aws:ec2:*:*:subnet/*",
            "arn:aws:ec2:*:*:security-group/*",
            "arn:aws:ec2:*:*:volume/*",
            "arn:aws:ec2:*:*:capacity-reservation/*"
          ]
        },
        {
          "Sid": "RunInstancesRedHatAMI",
          "Effect": "Allow",
          "Action": [
            "ec2:RunInstances"
          ],
          "Resource": [
            "arn:aws:ec2:*:*:image/*"
          ],
          "Condition": {
            "StringEquals": {
              "ec2:Owner": [
                "531415883065",
                "251351625822"
              ]
            }
          }
        },
        {
          "Sid": "NodePoolSQSActions",
          "Effect": "Allow",
          "Action": [
            "sqs:DeleteMessage",
            "sqs:ReceiveMessage"
          ],
          "Resource": [
            "arn:aws:sqs:*:*:*"
          ],
          "Condition": {
            "StringEquals": {
              "aws:ResourceTag/red-hat": "true"
            }
          }
        },
        {
          "Sid": "ManagedKMSRestrictedResourceTag",
          "Effect": "Allow",
          "Action": [
            "kms:DescribeKey",
            "kms:GenerateDataKeyWithoutPlaintext"
          ],
          "Resource": "*",
          "Condition": {
            "StringLike": {
              "aws:ResourceTag/red-hat": "true"
            }
          }
        },
        {
          "Sid": "CreateGrantRestricted",
          "Effect": "Allow",
          "Action": [
            "kms:CreateGrant"
          ],
          "Resource": "*",
          "Condition": {
            "Bool": {
              "kms:GrantIsForAWSResource": true
            },
            "StringEquals": {
              "aws:ResourceTag/red-hat": "true"
            },
            "StringLike": {
              "kms:ViaService": "ec2.*.amazonaws.com"
            }
          }
        }
      ]
    },
    "VersionId": "v9",
    "IsDefaultVersion": true,
    "CreateDate": "2026-07-29T16:57:30+00:00"
  }
}