Last Modified: Apr 28, 2025
Affected Product(s):
BIG-IP TMOS
Known Affected Versions:
13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3, 13.1.0.4, 13.1.0.5, 13.1.0.6, 13.1.0.7, 13.1.0.8, 13.1.1, 13.1.1.2, 13.1.1.3, 13.1.1.4, 13.1.1.5, 13.1.3, 13.1.3.1
Fixed In:
14.0.0, 13.1.3.2
Opened: Oct 03, 2017 Severity: 2-Critical
An internal race condition when deleting stale PEM data may cause a TMM core due to a use after free.
Traffic disrupted while tmm restarts.
PEM policies configured. The crash is more likely with CGNAT / FWNAT configured and after a CMP state change such as after a blade failure.
none
The race condition is eliminated. TMM does not core under heavy load with PEM.