Last Modified: Nov 07, 2022
Affected Product(s):
BIG-IP LTM
Known Affected Versions:
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, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.10, 11.5.2, 11.5.2 HF1, 11.5.3, 11.5.3 HF1, 11.5.3 HF2, 11.5.4, 11.5.4 HF1, 11.5.4 HF2
Fixed In:
11.6.0, 11.5.4 HF3
Opened: Jul 17, 2014 Severity: 2-Critical
During a special case of optimization the peer connflow is released. Subsequent references to connflow result in crash.
Traffic disrupted while tmm restarts.
When PEM hudfilter is optimized & server sends a reset, the code checks a non-existent peer connection.
None
The code path checks for NULL connflow before attempting to access the data structure.