make sure vulns are shown in list OS page, and fix the names (#31930)

# Checklist for submitter

If some of the following don't apply, delete the relevant line.


## Testing

- [x] Added/updated automated tests
- [x] QA'd all new/changed functionality manually

For unreleased bug fixes in a release candidate, one of:
- [x] Confirmed that the fix is not expected to adversely impact load
test results

frontend/pages/DashboardPage/cards/OperatingSystems/OSTableConfig.tsx

@@ -26,6 +26,7 @@ import {
   INumberCellProps,
   IStringCellProps,
 } from "interfaces/datatable_config";
+import { isLinuxLike } from "interfaces/platform";
 
 type ITableColumnConfig = Column<IOperatingSystemVersion>;
 
@@ -65,7 +66,7 @@ const generateDefaultTableHeaders = (
         );
       }
 
-      const { name, os_version_id, platform } = cellProps.row.original;
+      const { name_only, os_version_id, platform } = cellProps.row.original;
 
       const softwareOsDetailsPath = getPathWithQueryParams(
         PATHS.SOFTWARE_OS_DETAILS(os_version_id),
@@ -85,7 +86,7 @@ const generateDefaultTableHeaders = (
           customOnClick={onClickSoftware}
           tooltipTruncate
           prefix={<OSIcon name={platform} />}
-          value={name}
+          value={name_only}
         />
       );
     },
@@ -104,7 +105,11 @@ const generateDefaultTableHeaders = (
     accessor: "vulnerabilities",
     Cell: (cellProps: IVulnCellProps) => {
       const platform = cellProps.row.original.platform;
-      if (platform !== "darwin" && platform !== "windows") {
+      if (
+        platform !== "darwin" &&
+        platform !== "windows" &&
+        !isLinuxLike(platform)
+      ) {
         return <TextCell value="Not supported" grey />;
       }
       return <VulnerabilitiesCell vulnerabilities={cellProps.cell.value} />;

server/service/hosts.go

@@ -2306,7 +2306,10 @@ func (svc *Service) populateOSVersionDetails(ctx context.Context, osVersion *fle
 		if err != nil {
 			return err
 		}
-		osVersion.Kernels = kernels
+
+		if len(kernels) > 0 {
+			osVersion.Kernels = kernels
+		}
 	}
 
 	return nil

server/service/integration_enterprise_vulns_test.go

@@ -3,6 +3,7 @@ package service
 import (
 	"context"
 	"fmt"
+	"io"
 	"net/http"
 	"sort"
 	"testing"
@@ -118,8 +119,14 @@ func (s *integrationEnterpriseTestSuite) TestLinuxOSVulns() {
 				require.NoError(t, err)
 			}
 
-			// Aggregate OS versions
+			// Entity endpoint kernels field should be empty
 			require.NoError(t, s.ds.UpdateOSVersions(ctx))
+			resp := s.Do("GET", fmt.Sprintf("/api/latest/fleet/os_versions/%d", osinfo.OSVersionID), nil, http.StatusOK, "team_id", fmt.Sprintf("%d", 0))
+			bodyBytes, err := io.ReadAll(resp.Body)
+			require.NoError(t, err)
+			assert.Contains(t, string(bodyBytes), `"kernels": []`)
+
+			// Aggregate OS versions
 			require.NoError(t, s.ds.UpdateOSVersions(ctx))
 			require.NoError(t, s.ds.SyncHostsSoftware(ctx, time.Now()))
 			require.NoError(t, s.ds.ReconcileSoftwareTitles(ctx))