Last Modified: Sep 13, 2023
Affected Product(s):
BIG-IP LTM
Known Affected Versions:
11.4.0, 11.4.1, 11.5.0, 11.5.1
Fixed In:
11.6.0, 11.5.2, 11.4.1 HF9, 11.4.0 HF6
Opened: Jan 07, 2014 Severity: 2-Critical Related Article:
K16024
In a FastL4 virtual server with hardware cookie enabled and accelerated, and there is a SERVER_CONNECTED rule is in place, when the SERVER_CONNECTED rule fails, the flow is aborted while it is still in the packet path, and tmm produces a segv and crashes.
TMM crashes.
This occurs with a FastL4 virtual server, syncookie enabled, PVA accelerated and configured with SERVER_CONNECTED rule (this rule fails).
turn off syncookie
TMM no longer crashes when there is a FastL4 virtual server, syncookie is enabled, PVA is accelerated, and a configured SERVER_CONNECTED rule fails.