Last Modified: Jan 07, 2026
Affected Product(s):
BIG-IP AFM, GTM, LTM
Known Affected Versions:
11.5.1, 11.5.1 HF1, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4
Fixed In:
11.6.0, 11.5.1 HF5
Opened: Feb 21, 2014 Severity: 2-Critical Related Article:
K15334
An aborted TCP flow with DNS profile and dns queuing enabled, may attempt to process a query when the hud chain has been dismantled. A call to process upper may lead to a TMM crash.
Traffic disrupted while tmm restarts.
TCP virtual, aborting flow (i.e. iRule error), DNS queuing enabled.
Disable DNS queuing (db var DNS.queuing)
DNS filter now formally enters framework.