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Trellix Application and Change Control for Linux 6.6.8 August 2025 Kernel Update Release Notes

  • Published on Aug 31, 2026
  • 3 minute(s) read
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The Trellix Application and Change Control (TACC) for Linux 6.6.8 August 2025 kernel module release update supports additional kernels.

Release details

TACC for Linux 6.6.8 (build number) kernel update release includes support for additional kernels. You can install these kernels as a fresh installation or upgrade from TACC for Linux 6.6.6 or later.

Release package:

SOLIDCOR_KERNEL_668-356_LNX.zip

If you have

You must

TACC for Linux 6.6.6 or later versions deployed on your managed endpoints

Update TACC for Linux 6.6.8 with the SOLIDCOR_KERNEL_<version number>-<build number>_LNX.zip kernel package in ePO - On-prem.

TACC for Linux 6.6.5 or earlier versions checked in and deployed on managed endpoints

Check in and install TACC for Linux 6.6.8, and update it with the SOLIDCOR_KERNEL_<version number>-<build number>_LNX.zip kernel package in ePO - On-prem.

Supported additional kernel versions

This release supports these additional kernels:

  • Amazon Linux 2

    • 5.10.239-236.958.amzn2.x86_64

    • 5.10.240-238.955.amzn2.x86_64

    • 5.10.240-238.959.amzn2.x86_64

    • 5.15.186-128.192.amzn2.x86_64

    • 5.15.187-130.192.amzn2.x86_64

    • 5.15.189-131.202.amzn2.x86_64

    • 5.15.189-131.206.amzn2.x86_64

  • Amazon Linux 2023

    • 6.1.144-170.251.amzn2023.x86_64

    • 6.1.147-172.266.amzn2023.x86_64

  • Ubuntu 20

    • 5.15.0-142-generic

    • 5.15.0-143-generic

    • 5.15.0-144-generic

    • 5.15.0-145-generic

    • 5.15.0-151-generic

  • Ubuntu 22

    • 5.15.0-112-generic

    • 5.15.0-113-generic

    • 5.15.0-142-generic

    • 5.15.0-143-generic

    • 5.15.0-144-generic

    • 5.15.0-151-generic

    • 6.8.0-60-generic

    • 6.8.0-64-generic

    • 6.8.0-65-generic

  • Ubuntu 24

    • 6.8.0-60-generic

    • 6.8.0-62-generic

    • 6.8.0-63-generic

    • 6.8.0-64-generic

    • 6.8.0-71-generic

    • 6.11.0-21-generic

    • 6.11.0-24-generic

    • 6.11.0-25-generic

    • 6.11.0-26-generic

    • 6.11.0-28-generic

    • 6.11.0-29-generic

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.

Additional information

Check in TACC for Linux 6.6.8 kernel package

Check in TACC for Linux 6.6.8 with the SOLIDCOR_KERNEL_<version number>-<build number>_LNX.zip kernel package.

Make sure you check in SOLIDCOR_KERNEL_<version number>-<build number>_LNX.zip package to ePO - On-prem in the same branch as the SOLIDCOR_FULL_<version number>-<build number>_LNX.ZIP package.

Note

Ensure that you select TACC version 6.6.6 or later.

A message appears asking to overwrite the package. Click OK to check in the package.

  1. Download the .zip file from the Trellix download site to a temporary location on the ePO - On-prem server.

  2. Log on to the ePO - On-prem server as an administrator.

  3. Select Menu → Systems → Main Repository → Check In Package.

  4. For Package type, select Product or Update (.ZIP).

  5. Click Choose File, select SOLIDCOR_KERNEL_<version number>-<build number>_LNX.zip, click Choose, then click Next.

  6. Select Current as the branch.

  7. Click Save.

You can verify the package versions on the managed endpoints using the rpm -qa command (for rpm based distributions) or dpkg -l (for debian based distributions).

Update TACC for Linux 6.6.8 with the latest kernel packages

Update TACC for Linux 6.6.8 with the latest kernel modules for the Linux kernel package.

  • You must download TACC for Linux 6.6.6 or later from Software Catalog.

  • Make sure you download the latest TACC kernel modules from the Software Catalog in the same branch as SOLIDCOR_KERNEL_<version number>-<build number>_LNX.zip.

Note

Ensure that you select TACC version 6.6.6 or later. Place the endpoint in update mode before installing the new package.

A message appears asking to overwrite the package. Click OK to check in the package.

  1. Log on to the ePO - On-prem server as an administrator.

  2. Select Menu → Systems → System Tree, then select a group or systems.

  3. On the Assigned Client Tasks tab, click Actions, then click New Client Task Assignment.

  4. Complete these options, then click Create New Task:

    1. For product, select Trellix Agent.

    2. For task type, select Product Update.

  5. Enter the Task name and check in TACC kernel modules for Linux 6.6.8 under package types. Uncheck all other boxes and click Save.

  6. Select the Schedule type as Run immediately and click on Save. The new task appears under the tasks list.

  7. Select the endpoints where the update has to run. Click Wake Up Agents. Wait for the task to complete.

You can verify the package versions on the managed endpoints using the rpm -qa command (for rpm based distributions) or dpkg -l (for debian based distributions).

Upgrade standalone RPM endpoints with the latest kernel package

Upgrade your RPM endpoints with the SOLIDCOR_KERNEL_<version number>-<build number>_LNX.zip kernel package using the command line.

You must have TACC for Linux 6.6.6 or later installed and running on your endpoint. Place the endpoint in update mode before installing the new package.

  1. Copy SOLIDCOR_KERNEL_<version number>-<build number>_LNX.zip to your endpoint.

  2. Unzip the package: SOLIDCOR_KERNEL_<version number>-<build number>_LNX.zip -d tacc_kernel_module .

  3. Run these commands to upgrade the kernel module.

    For Application Control

    cd tacc_kernel_module
./mapkg_install.sh
service scsrvc restart
rpm -qa | grep -i solidcore --> shows solidcoreS3 and solidcoreS3-kmod version 6.6.8.<build number>

    For Change Control

    cd tacc_kernel_module
./mapkg_install.sh
service scsrvc restart
rpm -qa | grep -i solidcore --> shows solidcoreS3 and 
solidcoreS3-kmod version 6.6.8.<build number>

Note

A system reboot is required after installation for the new kernel module to load.

Upgrade Debian endpoints with the latest kernel package

Upgrade your Debian endpoints to the SOLIDCOR_KERNEL_<version number>-<build number>_LNX.zip kernel package using the command line.

You must have TACC for Linux 6.6.6 or later installed and running on your endpoint. Place the endpoint in update mode before installing the new package.

  1. Copy SOLIDCOR_KERNEL_<version number>-<build number>_LNX.zip to your endpoint.

  2. Unzip the package: SOLIDCOR_KERNEL_<version number>-<build number>_LNX.zip -d tacc_kernel_module .

  3. Run these commands to upgrade the kernel module.

    For Application Control

    cd tacc_kernel_module
./mapkg_install.sh
service scsrvc restart
dpkg -l | grep -i solidcore --> shows solidcoreS3 and 
solidcoreS3-kmod version 6.6.8.<build number>

    For Change Control

    cd tacc_kernel_module
./mapkg_install.sh
service scsrvc restart
dpkg -l | grep -i solidcore --> shows solidcoreS3 and 
solidcoreS3-kmod version 6.6.8.<build number>

Note

A system reboot is required after installation for the new kernel module to load.

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