Bug ID 2047137: TMM core may occur while using APM VDI with Blast UDP

Last Modified: Oct 19, 2025

Affected Product(s):
BIG-IP APM(all modules)

Known Affected Versions:
16.1.0, 16.1.1, 16.1.2, 16.1.2.1, 16.1.2.2, 16.1.3, 16.1.3.1, 16.1.3.2, 16.1.3.3, 16.1.3.4, 16.1.3.5, 16.1.4, 16.1.4.1, 16.1.4.2, 16.1.4.3, 16.1.5, 16.1.5.1, 16.1.5.2, 16.1.6, 16.1.6.1, 17.1.0, 17.1.0.1, 17.1.0.2, 17.1.0.3, 17.1.1, 17.1.1.1, 17.1.1.2, 17.1.1.3, 17.1.1.4, 17.1.2, 17.1.2.1, 17.1.2.2, 17.1.3, 17.5.0, 17.5.1, 17.5.1.2, 17.5.1.3

Opened: Sep 02, 2025

Severity: 3-Major

Symptoms

User may fail to access the remote desktop using APM vmware VDI, if a TMM core occurs due to the unavailability of one of the internal database variable.

Impact

TMM core may disrupt traffic temporarily.

Conditions

The user attempts to connect to the desktop or app using VMware Client or a browser via the Blast protocol over UDP, and the session variable is deleted due to a timeout.

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips