Bug ID 1936233: TMM mismanagement of IPsec connections can slowly leak memory and cause tunnel negotiation to fail

Last Modified: Jul 29, 2025

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

Known Affected Versions:
16.1.0, 16.1.1, 16.1.2, 16.1.2.1, 16.1.2.2, 16.1.3, 16.1.3.1, 16.1.3.2, 16.1.3.3, 16.1.3.4, 16.1.3.5, 16.1.4, 16.1.4.1, 16.1.4.2, 16.1.4.3, 16.1.5, 16.1.5.1, 16.1.5.2, 16.1.6, 17.1.0, 17.1.0.1, 17.1.0.2, 17.1.0.3, 17.1.1, 17.1.1.1, 17.1.1.2, 17.1.1.3, 17.1.1.4, 17.1.2, 17.1.2.1, 17.1.2.2, 17.5.0, 17.5.1

Opened: May 12, 2025

Severity: 3-Major

Symptoms

-- The BIG-IP cannot setup a specific IPsec tunnel. -- The BIG-IP may eventually run out of memory, or core

Impact

-- TMM may run out of memory after a very long time -- TMM may core due to the leaked connections

Conditions

-- IPsec IKEv2 -- Tunnel config changes, or tunnel never works from initial setup

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips