Endpoint Detection and Response 4.2.1 Hotfix 2 Release Notes

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Release date — December 19, 2024

Trellix Endpoint Detection and Response 4.2.1 hotfix 2 release includes resolved issues.

Every update release is cumulative and includes all features and fixes from the previous release. We recommend that you always upgrade to the most current update.

Information about Trellix EDR 4.2.1 hotfix 2 release

Release build details

Component

Version

Trellix EDR Client for Linux

4.2.1.4681

1

For the complete list of system requirements, see supported platforms for Trellix EDR in KB91345.

Note: This hotfix does not support the automatic upgrade of a pre-release software version. To upgrade to a production release of the software, you must first uninstall any pre-release versions.


Manual deployment

Contact the support team to deploy the Trellix EDR Client for Linux 4.2.1.4681.

Rating

This release is Mandatory. Failure to apply mandatory updates might result in potential business impact.

Resolved issues

This hotfix resolved customer-reported issues.

Reference

Resolution

SEC-180877

Optimized the file hashing process to enhance CPU performance on endpoints.

Installation instructions

The Trellix Endpoint Detection and Response Installation Guide has all the information you need to install the product for the first time and migrate from McAfee Active Response.

Known issues

For a list of known issues in this product release, see KB91275.