Bug ID 687603: tmsh query for dns records may cause tmm to crash

Last Modified: May 14, 2019

Bug Tracker

Affected Product:  See more info
BIG-IP LTM(all modules)

Known Affected Versions:
12.0.0, 12.0.0 HF1, 12.0.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2, 12.1.2, 12.1.2 HF1, 12.1.2 HF2, 12.1.3, 12.1.3.1, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1, 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, 13.1.1.1, 13.1.1.2, 13.1.1.3, 13.1.1.4, 13.1.1.5

Fixed In:
14.0.0, 12.1.3.2

Opened: Oct 06, 2017
Severity: 2-Critical
Related AskF5 Article:
K36243347

Symptoms

tmm experiences segmentation fault.

Impact

Core file / system outage. Traffic disrupted while tmm restarts.

Conditions

Run 'tmsh show ltm dns cache records key cache <cache>' query when dns cache contains malformed records.

Workaround

None.

Fix Information

tmm experiences segmentation fault when running the 'tmsh show ltm dns cache records key cache <cache>' query when dns cache contains malformed records.

Behavior Change