Bug ID 641248: IPsec-related tmm segfault

Last Modified: Aug 19, 2026

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

Known Affected Versions:
12.1.2, 12.1.2 hf1, 12.1.2 hf2, 12.1.3, 12.1.3.1, 12.1.3.2, 12.1.3.3, 12.1.3.4, 12.1.3.5, 12.1.3.6, 12.1.3.7, 12.1.4, 12.1.4.1, 12.1.5, 12.1.5.1, 12.1.5.2, 12.1.5.3, 12.1.6

Opened: Jan 25, 2017

Severity: 2-Critical

Symptoms

The tmm cores and all connections are reset.

Impact

The tmm restarts and all connections reset. Traffic disrupted while tmm restarts.

Conditions

Race condition during IPsec tunnel tear down.

Workaround

None.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips