Bug ID 756576: Fetching non-configured 3GPP-RAT-TYPE subscriber attribute using iRule can crash tmm.

Last Modified: Jan 20, 2023

Bug Tracker

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

Known Affected Versions:
14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.5, 14.1.0.6, 14.1.2, 14.1.2.1, 14.1.2.2, 14.1.2.3, 14.1.2.4, 14.1.2.5, 14.1.2.6, 14.1.2.7, 14.1.2.8, 14.1.3, 14.1.3.1, 14.1.4, 14.1.4.1, 14.1.4.2, 14.1.4.3, 14.1.4.4, 14.1.4.5, 14.1.4.6, 14.1.5, 14.1.5.1, 14.1.5.2, 14.1.5.3

Fixed In:
15.0.0

Opened: Jan 25, 2019
Severity: 2-Critical

Symptoms

A TMM crash occurs while passing traffic.

Impact

Traffic disrupted while tmm restarts.

Conditions

Fetching a non-configured 3GPP-RAT-TYPE subscriber attribute using an iRule.

Workaround

Dont use an iRule to fetch 3GPP-RAT-TYPE subscriber attribute if 3GPP-RAT-TYPE is not set.

Fix Information

Return empty 3GPP-RAT-TYPE subscriber attribute if 3GPP-RAT-TYPE is not set.

Behavior Change