Last Modified: Jan 07, 2026
Affected Product(s):
BIG-IP All
Known Affected Versions:
11.5.1, 11.5.1 HF1, 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
Fixed In:
12.0.0, 11.6.0 HF4, 11.5.1 HF6
Opened: Aug 08, 2014 Severity: 3-Major Related Article:
K15926
I/O flows for the Cavium Nitrox are not always added to the count- but are always subtracted correctly, causing an imbalance.
Incorrect accounting allowed the number of flows to drop below zero, triggering an assert and a core.
This occurs only on platforms using the Cavium Nitrox chip.
None
Resolved core caused by accounting miscalculation of Nitrox I/O flows