Bug ID 420941: In some low-resource situations the TMM may crash when persistence cookies are enabled

Last Modified: May 29, 2024

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

Known Affected Versions:
11.2.1, 11.3.0, 11.4.0, 11.4.1

Fixed In:
11.5.0, 11.4.1 HF4, 11.4.0 HF6, 11.3.0 HF9, 11.2.1 HF10

Opened: May 10, 2013

Severity: 3-Major

Related Article: K14891


When resources are low, the TMM might crash when generating the cookie on the server side if there is no expected internal persistence data present.


Traffic disrupted while tmm restarts.


In low resource situations, the client side might fail to record persistence data. Thus the persist struct pointer is NULL. On the server side, an ASSERT triggers on that NULL pointer.



Fix Information

A potential TMM crash in low-resource situations with persistence cookies no longer occurs.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips