VMware NSX-T Data Center 2.5.3.4  |  23 December 2021  |  Build 19069884

Check regularly for additions and updates to these release notes.

What's in the Release Notes

The release notes cover the following topics:

What's New

The VMware NSX-T 2.5.3.4 patch is a Mandatory Security Update for all deployments running NSX-T 2.5.x versions to address the security vulnerability documented in VMSA-2021-0028. The version of Log4j is updated to 2.16.

See the VMware NSX-T Data Center 2.5.3 Release Notes for the current known issues.

Document Revision History

23 December 2021. First edition.

Resolved Issues

  • Fixed Issue: Updated Apache Log4j to version 2.16 to resolve CVE-2021-44228 and CVE-2021-45046.

    The VMware NSX-T 2.5.3.4 patch is a Mandatory Security Update for all deployments running NSX-T 2.5.x versions to address the security vulnerability documented in VMSA-2021-0028. The version of Log4j is updated to 2.16.

  • Fixed Issue 2727024: Edge LB out of memory.

    Some LB connections will be disconnected; it will recover automatically. 

  • Fixed Issue 2796784: Network latencies are observed during a vMotion import.

    Network traffic to seemingly unrelated VMs can be impacted during a VM import.

  • Fixed Issue 2662756: hostd intermittently not responding or taking an excessively long time to process tasks.

    VEEAM workflow to create VM backups causing more number port files under VM's .dvsData/ files in the storage. Hostd loading all these files taking more memory in the host.

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