Bug ID 1132697: Use of proactive bot defense profile can trigger TMM crash

Last Modified: Mar 30, 2024

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

Known Affected Versions:
15.1.5, 15.1.5.1, 15.1.6, 15.1.6.1, 15.1.7, 15.1.8, 15.1.8.1, 15.1.8.2, 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

Fixed In:
17.1.1, 16.1.4, 15.1.9

Opened: Jul 28, 2022

Severity: 2-Critical

Symptoms

TMM crash is triggered.

Impact

The TMM goes offline temporarily or failover. Traffic disruption can occur.

Conditions

This causes under a rare traffic environment, and while using a proactive bot defense profile.

Workaround

Remove all proactive bot defense profiles from virtuals.

Fix Information

TMM no longer crashes in the scenario.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips