Table of Contents

Base images

Prisma Cloud lets you filter out base image vulnerabilities from your scan reports.
A base image is a starting point or an initial step for the image. Dockerfile usually starts from a base image. Filtering out vulnerabilities, whose source is the base image, can help your teams focus on the vulnerabilities relevant for them to fix.
Excluding base image vulnerabilities is currently not supported for Windows images and images built by kaniko.

Define base images

For Prisma Cloud to be able to exclude base image vulnerabilities, first identify the base images in your environment.
The base images you define must reside in your registry, and they must be scanned to exclude their vulnerabilities from scan reports.
  1. Open Console.
  2. Go to
    Defend > Vulnerabilities > Images > Base images
  3. Select
    Add New
  4. Specify the base image and enter a
    for it.
    The base image should be specified in the following format: registry/repo:tag. You can use wildcards for the tag definition.
  5. Select
  6. You can view the specific base image digests of the base image you created using the
    View images
    These are the digests found in the registry scanning that are matching the base image you defined.

Exclude base images vulnerabilities in the Monitor view

When reviewing the health of the images in your environment, whether they are deployed images, registry images, or images scanned in a CI process, you can exclude the base image’s vulnerabilities from the scan results.
If you enabled "Exclude base images vulnerabilities" under
Defend > Vulnerabilities > Images > Deployed/CI
, the filter will not yield any results on the scan results monitor.
  1. Open the Console, then go to
    Monitor > Vulnerabilities > Images > Deployed images/Registries/CI
  2. Use the
    Exclude base images vulns
    filter to exclude the vulnerabilities coming from base images. You will see the vulnerability counters changing.
  3. Click on an image report to open a detailed report.
  4. Review the filtered vulnerabilities. For reviewing the base image, use the link at the top of the page.
  5. In the
    tab, the vulnerabilities counters will also exclude base image vulnerabilities, and you’ll see an indication for the base image’s layers.

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