Bug ID 928553: LSN64 with hairpinning can lead to a tmm core in rare circumstances

Last Modified: Sep 13, 2023

Affected Product(s):
BIG-IP TMOS(all modules)

Known Affected Versions:
14.1.2, 14.1.2.1, 14.1.2.2, 14.1.2.3, 14.1.2.4, 14.1.2.5, 14.1.2.6, 14.1.2.7, 14.1.2.8, 14.1.3, 14.1.3.1, 15.0.0, 15.0.1, 15.0.1.1, 15.0.1.2, 15.0.1.3, 15.0.1.4, 15.1.0, 15.1.0.1, 15.1.0.2, 15.1.0.3, 15.1.0.4, 15.1.0.5, 15.1.1, 15.1.2, 15.1.2.1, 16.0.0, 16.0.0.1, 16.0.1

Fixed In:
16.1.0, 16.0.1.1, 15.1.3, 14.1.4

Opened: Jul 19, 2020

Severity: 2-Critical

Symptoms

LSN64 with hairpinning configured can lead to a tmm core in rare circumstances.

Impact

Tmm cores. Traffic disrupted while tmm restarts.

Conditions

- LSN64 virtual server. - Hairpinning enabled. - FLOW_INIT iRule. - Full proxy config.

Workaround

Disable full proxy config of hairpinning.

Fix Information

Tmm does not crash anymore.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips