Bug ID 469071: TMM segfault in mpctp_switch_conns

Last Modified: Apr 28, 2025

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

Known Affected Versions:
11.5.0, 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: Jun 26, 2014

Severity: 2-Critical

Symptoms

TMM segfault in mpctp_switch_conns

Impact

tmm restarts

Conditions

This can occur is mptcp is configured and there is an invalid tcp session.

Workaround

Do not configure mptcp in the tcp profile.

Fix Information

The tmm will no longer segfault for invalid tcp connections when mptcp is configured.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips