Bug ID 599720: TMM may crash in bigtcp due to null pointer dereference

Last Modified: Sep 13, 2023

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

Known Affected Versions:
11.5.4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10

Fixed In:
13.0.0, 12.1.2 HF1

Opened: Jun 16, 2016

Severity: 2-Critical

Symptoms

TMM crashed in bigtcp_queue_pkt() due to null pointer dereference of clientside flow.

Impact

Traffic disrupted while tmm restarts.

Conditions

This only occurs for serverside flow whose peer no longer exists.

Workaround

No workaround.

Fix Information

A problem of null pointer dereferece in bigtcp has been fixed.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips