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latestOpenAPI 3.0.0Apache 2.0 License2026-07-141381,185842.7 KB

Modifies an existing patch baseline. Fields not specified in the request are left unchanged.

For information about valid key-value pairs in PatchFilters for each supported operating system type, see PatchFilter.

post/#X-Amz-Target=AmazonSSM.UpdatePatchBaseline

Headers

X-Amz-Target'AmazonSSM.UpdatePatchBaseline' required

Request body

BaselineIdstring required

The ID of the patch baseline to update.

Namestring

The name of the patch baseline.

ApprovedPatchesPatchId[]
<p>A list of explicitly approved patches for the baseline.</p> <p>For information about accepted formats for lists of approved patches and rejected patches, see <a href="https://docs.aws.amazon.com/systems-manager/latest/userguide/patch-manager-approved-rejected-package-name-formats.html">About package name formats for approved and rejected patch lists</a> in the <i>Amazon Web Services Systems Manager User Guide</i>.</p>
ApprovedPatchesComplianceLevel'CRITICAL' | 'HIGH' | 'MEDIUM' | 'LOW' | 'INFORMATIONAL' | 'UNSPECIFIED'

Assigns a new compliance severity level to an existing patch baseline.

ApprovedPatchesEnableNonSecurityboolean

Indicates whether the list of approved patches includes non-security updates that should be applied to the managed nodes. The default value is <code>false</code>. Applies to Linux managed nodes only.

RejectedPatchesPatchId[]
<p>A list of explicitly rejected patches for the baseline.</p> <p>For information about accepted formats for lists of approved patches and rejected patches, see <a href="https://docs.aws.amazon.com/systems-manager/latest/userguide/patch-manager-approved-rejected-package-name-formats.html">About package name formats for approved and rejected patch lists</a> in the <i>Amazon Web Services Systems Manager User Guide</i>.</p>
RejectedPatchesAction'ALLOW_AS_DEPENDENCY' | 'BLOCK'
<p>The action for Patch Manager to take on patches included in the <code>RejectedPackages</code> list.</p> <ul> <li> <p> <b> <code>ALLOW_AS_DEPENDENCY</code> </b>: A package in the <code>Rejected</code> patches list is installed only if it is a dependency of another package. It is considered compliant with the patch baseline, and its status is reported as <code>InstalledOther</code>. This is the default action if no option is specified.</p> </li> <li> <p> <b> <code>BLOCK</code> </b>: Packages in the <code>RejectedPatches</code> list, and packages that include them as dependencies, aren't installed under any circumstances. If a package was installed before it was added to the <code>Rejected</code> patches list, it is considered non-compliant with the patch baseline, and its status is reported as <code>InstalledRejected</code>.</p> </li> </ul>
Descriptionstring

A description of the patch baseline.

Replaceboolean

If True, then all fields that are required by the <a>CreatePatchBaseline</a> operation are also required for this API request. Optional fields that aren't specified are set to null.

Response

Success

BaselineIdstring

The ID of the deleted patch baseline.

Namestring

The name of the patch baseline.

OperatingSystem'WINDOWS' | 'AMAZON_LINUX' | 'AMAZON_LINUX_2' | 'AMAZON_LINUX_2022' | 'UBUNTU' | 'REDHAT_ENTERPRISE_LINUX' | 'SUSE' | 'CENTOS' | 'ORACLE_LINUX' | 'DEBIAN' | 'MACOS' | 'RASPBIAN' | 'ROCKY_LINUX' | 'ALMA_LINUX' | 'AMAZON_LINUX_2023'

The operating system rule used by the updated patch baseline.

ApprovedPatchesPatchId[]

A list of explicitly approved patches for the baseline.

ApprovedPatchesComplianceLevel'CRITICAL' | 'HIGH' | 'MEDIUM' | 'LOW' | 'INFORMATIONAL' | 'UNSPECIFIED'

The compliance severity level assigned to the patch baseline after the update completed.

ApprovedPatchesEnableNonSecurityboolean

Indicates whether the list of approved patches includes non-security updates that should be applied to the managed nodes. The default value is <code>false</code>. Applies to Linux managed nodes only.

RejectedPatchesPatchId[]

A list of explicitly rejected patches for the baseline.

RejectedPatchesAction'ALLOW_AS_DEPENDENCY' | 'BLOCK'

The action specified to take on patches included in the <code>RejectedPatches</code> list. A patch can be allowed only if it is a dependency of another package, or blocked entirely along with packages that include it as a dependency.

CreatedDatestring date-time

The date when the patch baseline was created.

ModifiedDatestring date-time

The date when the patch baseline was last modified.

Descriptionstring

A description of the patch baseline.