Bug ID 1048949: TMM xdata leak on websocket connection with asm policy without websocket profile

Last Modified: Jan 06, 2023

Bug Tracker

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

Known Affected Versions:
15.1.0, 15.1.0.1, 15.1.0.2, 15.1.0.3, 15.1.0.4, 15.1.0.5, 15.1.1, 15.1.2, 15.1.2.1, 15.1.3, 15.1.3.1, 15.1.4, 15.1.4.1, 15.1.5, 15.1.5.1, 15.1.6, 15.1.6.1, 15.1.7, 15.1.8, 15.1.8.1

Opened: Sep 23, 2021
Severity: 3-Major

Symptoms

Excessive memory consumption, tmm core.

Impact

Excessive memory consumption, tmm crash. Traffic disrupted while tmm restarts.

Conditions

- ASM provisioned - ASM policy attached to a virtual server - Websocket profile isn't attached to the virtual server - Long lived websocket connection with messages

Workaround

Attach the websocket profile to the virtual server

Fix Information

None

Behavior Change