Bug ID 1174033: The UPDATE EVENT is triggered with faulty session_info and resulting in core

Last Modified: May 29, 2024

Affected Product(s):
BIG-IP PEM(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, 15.1.8.2, 16.1.0, 16.1.1, 16.1.2, 16.1.2.1, 16.1.2.2, 16.1.3, 16.1.3.1, 16.1.3.2, 16.1.3.3, 16.1.3.4, 16.1.3.5, 17.0.0, 17.0.0.1, 17.0.0.2

Fixed In:
17.1.0, 16.1.4, 15.1.9

Opened: Oct 14, 2022

Severity: 3-Major

Symptoms

The UPDATE EVENT requires a proper initialization of the session_info which in turn is used to set the tcl pcb's cmdctx. With properly defined cmdctx, the sess_data is populated successfully. But, without proper initialization of the session_info makes the cmdctx to carry incorrect vaules, thus resulting in a core when populating the sess_data.

Impact

Results in a core.

Conditions

Enable the Global UPDATE-EVENT option and make sure you log some session attributes as part of the UPDATE EVENT.

Workaround

None

Fix Information

Triggering UPDATE EVENT is not causing any core.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips