Last Modified: Apr 28, 2025
Affected Product(s):
BIG-IP LTM
Known Affected Versions:
12.0.0, 12.0.0 HF1, 12.0.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2, 12.1.2
Fixed In:
13.0.0, 12.1.2 HF1
Opened: Nov 17, 2016 Severity: 2-Critical Related Article:
K50546069
If a large data group exists or the db variable tmm.classallocatemetadata is set to disabled, tmm may crash if the class match iRule matches 9 or more items in the datagroup.
Traffic disrupted while tmm restarts.
External datagroups in use, a class match iRule will produce at least 9 matches, and the datagroup is extremely large or the db variable tmm.classallocatemetadata is set to disabled.
None.
Fixed a tmm crash related to large datagroups.