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Trellix Application and Change Control 6.6.3 Linux Release Notes

  • Published on Aug 31, 2026
  • 1 minute(s) read
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The Trellix Application and Change Control 6.6.3 Linux release includes new features, resolved issues, updated kernels and platform support.

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.

Rating

The rating defines the urgency for installing this update.

This release is recommended for all environments. Apply this update at the earliest convenience.

Release details

For release dates and build numbers, see KB87944.

Upgrade support

This release supports upgrading from the following Application Control client versions:

  • 6.1.0–6.1.7

  • 6.2.0

  • 6.3.0

  • 6.4.0–6.4.24

  • 6.5.0–6.5.2

  • 6.6.0–6.6.2

New or changed

libcurl upgrade—This release upgrades the libcurl version to 8.7.1.

New kernel support—This release supports the latest versions of the Linux kernel and other platforms:

  • Debian 12

    • 6.1.0-18-amd64

  • RHEL 8

    • 4.18.0-553.el8_10.x86_64

  • RHEL 9

    • 5.14.0-427.13.1.el9_4.x86_64

  • Oracle 8

    • 5.4.17-2136.326.6.1.el8uek.x86_64

    • 5.4.17-2136.327.2.el8uek.x86_64

    • 5.4.17-2136.328.3.el8uek.x86_64

    • 5.4.17-2136.329.3.1.el8uek.x86_64

  • Amazon Linux 2

    • 4.14.328-248.540.amzn2

    • 4.14.330-250.540.amzn2

    • 4.14.334-252.552.amzn2

    • 4.14.336-253.554.amzn2

    • 4.14.336-255.557.amzn2

    • 4.14.336-256.557.amzn2

    • 4.14.336-256.559.amzn2

    • 4.14.336-257.562.amzn2

    • 5.4.259-173.361.amzn2

    • 5.4.261-174.360.amzn2

    • 5.4.265-176.364.amzn2

    • 5.4.266-178.365.amzn2

    • 5.4.268-181.368.amzn2

    • 5.4.268-181.370.amzn2

    • 5.4.269-183.369.amzn2

    • 5.10.199-190.747.amzn2

    • 5.10.201-191.748.amzn2

    • 5.10.205-195.804.amzn2

    • 5.10.205-195.807.amzn2

    • 5.10.209-198.812.amzn2

    • 5.10.209-198.858.amzn2

    • 5.10.210-201.852.amzn2

    • 5.15.137-91.144.amzn2

    • 5.15.139-93.147.amzn2

    • 5.15.145-95.156.amzn2

    • 5.15.145-95.161.amzn2

    • 5.15.148-97.158.amzn2

    • 5.15.148-97.161.amzn2

    • 5.15.149-99.161.amzn2

For the complete list of kernels supported, see Linux kernel support for Application and Change Control 6.x.

Known issues

For a list of current known issues, see Application and Change Control 6.x Known Issues.

Resolved issues

This release resolves known issues.

Category

Reference

Resolution

Fixes to features

MACC-13062

The Solidcore Content Tracking feature (FIM) no longer generates events for file types that were not included in the rule.

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