Bug ID 532022: tmm can crash when the reply pkt to a service flow request is a DoS pkt

Last Modified: Oct 01, 2018

Bug Tracker

Affected Product:  See more info
BIG-IP AFM(all modules)

Known Affected Versions:
11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5

Fixed In:
12.0.0, 11.6.0 HF6

Opened: Jul 07, 2015
Severity: 3-Major

Symptoms

tmm can crash

Impact

Traffic disrupted while tmm restarts.

Conditions

If a service flow (or any flow which does not have a listener) sends a request out and we get back a packet which needs to be counted towards a network DoS vector, it can cause the tmm to crash.

Workaround

Don't configure AFM DoS vectors.

Fix Information

A crash bug in DoS protection has been fixed.

Behavior Change