Add asset criticality indices for kibana_system_user (elastic#113588)

* Add asset criticality indices for kibana_system_user

* Update docs/changelog/113588.yaml

Author: machadoum

docs/changelog/113588.yaml

@@ -0,0 +1,5 @@
+pr: 113588
+summary: Add asset criticality indices for `kibana_system_user`
+area: Security
+type: enhancement
+issues: []

x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/security/authz/store/KibanaOwnedReservedRoleDescriptors.java

@@ -456,11 +456,13 @@ static RoleDescriptor kibanaSystem(String name) {
                         TransportUpdateSettingsAction.TYPE.name()
                     )
                     .build(),
+
                 RoleDescriptor.IndicesPrivileges.builder().indices("risk-score.risk-*").privileges("all").build(),
                 RoleDescriptor.IndicesPrivileges.builder()
                     .indices(".asset-criticality.asset-criticality-*")
-                    .privileges("create_index", "manage", "read")
+                    .privileges("create_index", "manage", "read", "write")
                     .build(),
+
                 // For cloud_defend usageCollection
                 RoleDescriptor.IndicesPrivileges.builder()
                     .indices("logs-cloud_defend.*", "metrics-cloud_defend.*")

x-pack/plugin/core/src/test/java/org/elasticsearch/xpack/core/security/authz/store/ReservedRolesStoreTests.java

@@ -1781,6 +1781,7 @@ public void testKibanaSystemRole() {
             final IndexAbstraction indexAbstraction = mockIndexAbstraction(indexName);
             assertThat(kibanaRole.indices().allowedIndicesMatcher(TransportCreateIndexAction.TYPE.name()).test(indexAbstraction), is(true));
             assertThat(kibanaRole.indices().allowedIndicesMatcher(TransportSearchAction.TYPE.name()).test(indexAbstraction), is(true));
+            assertThat(kibanaRole.indices().allowedIndicesMatcher(TransportUpdateAction.TYPE.name()).test(indexAbstraction), is(true));
             assertViewIndexMetadata(kibanaRole, indexName);
         });