Last Modified: Aug 19, 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, 11.5.1 hf5, 11.5.1 hf6, 11.5.1 hf7, 11.5.1 hf8, 11.5.1 hf9, 11.5.1 hf10, 11.5.1 hf11, 11.5.2, 11.5.2 hf1, 11.5.3, 11.5.3 hf1, 11.5.3 hf2, 11.5.4, 11.5.4 hf1, 11.5.4 hf2, 11.5.4 hf3, 11.5.4 hf4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10
Fixed In:
11.6.0
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.