Last Modified: Apr 28, 2025
Affected Product(s):
BIG-IP TMOS
Known Affected Versions:
11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4
Fixed In:
12.0.0, 11.6.0 HF5, 11.5.1 HF5, 11.4.1 HF6
Opened: Aug 11, 2014 Severity: 2-Critical Related Article:
K15691
TCP::close in CLIENTSSL_CLIENTCERT iRule event may cause tmm to crash.
Traffic disrupted while tmm restarts.
This occurs when TCP::close is called within a CLIENTSSL_CLIENTCERT iRule event.
Do not use TCP::close in CLIENTSSL_CLIENTCERT iRule event
Connection remains open after dispatching CLIENTSSL_CLIENTCERT iRule event, which prevents accessing invalid memory.