Last Modified: Jul 10, 2026
Affected Product(s):
BIG-IP TMOS
Known Affected Versions:
17.5.0, 17.5.1, 17.5.1.2, 17.5.1.3, 17.5.1.4, 17.5.1.5, 17.5.1.6, 21.0.0, 21.0.0.1
Opened: Jun 03, 2026 Severity: 2-Critical
TMM stops processing traffic and consumes high CPU on BIG-IP VE running on Microsoft Azure when an accelerated networking virtual function (VF) is removed at runtime.
Traffic disruption. TMM stops processing traffic and must be restarted.
- BIG-IP VE deployed on Microsoft Azure with Accelerated Networking enabled. - Azure platform performs host maintenance, live migration, or other operations that remove the virtual function (VF) at runtime.
Restart TMM or reboot the BIG-IP system to restore traffic processing
None