Bug ID 472376: A SIP virtual server may crash while trying to send a message if the connection is in the process of shutting down

Last Modified: Apr 10, 2019

Bug Tracker

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

Known Affected Versions:
11.3.0, 11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4

Fixed In:
12.1.0, 12.0.0, 11.6.0 HF5, 11.5.1 HF6, 11.4.1 HF7

Opened: Jul 18, 2014
Severity: 3-Major
Related AskF5 Article:
K17190

Symptoms

A SIP virtual server may try to access a freed data structure while sending a message if the connection is in the process of shutting down.

Impact

TMM will crash, which will disrupt traffic and can cause a system to go offline / failover while processes restart.

Conditions

Conditions leading to this issue include: SIP virtual server.

Workaround

This issue has no workaround at this time.

Fix Information

The crash that can occur if a SIP virtual server is trying to send a message while a connection is shutting down will no longer occur.

Behavior Change