Bug ID 981689: TMM memory leak with IPsec ALG

Last Modified: Nov 22, 2021

Bug Tracker

Affected Product:  See more info
BIG-IP AFM, CGN(all modules)

Known Affected Versions:
14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.5, 14.1.0.6, 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, 14.1.4, 14.1.4.1, 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, 15.1.3, 15.1.3.1, 15.1.4, 16.0.0, 16.0.0.1, 16.0.1, 16.0.1.1, 16.0.1.2

Fixed In:
16.1.0, 15.1.4.1, 14.1.4.2

Opened: Jan 13, 2021
Severity: 2-Critical

Symptoms

TMM crash due to out of memory.

Impact

TMM reaches memory limits. Traffic disrupted while tmm restarts.

Conditions

-- IPsec ALG virtual server in BIG-IP passes traffic normally. -- IPsec ALG connections are aborted. A common cause of IPsec ALG failure is CGNAT translation failures.

Workaround

None

Fix Information

Fixed a tmm memory leak related to IPsec ALG connections.

Behavior Change