Bug ID 1048853: TMM memory leak of "IKE VBUF"

Last Modified: Feb 07, 2024

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

Known Affected Versions:
15.1.2,, 15.1.3,, 15.1.4,, 15.1.5,, 15.1.6,, 16.1.2,,, 16.1.3

Fixed In:
17.0.0,, 15.1.7

Opened: Sep 23, 2021

Severity: 2-Critical


The "IKE VBUF" memory increase is seen through tmctl memory_usage_stat when ipsec-sa are deleted and new ipsec-sa are created.


Memory consumption increases after every ipsec-sa delete operation when the new ipsec-sa is created.


A tunnel connection exists between the BIG-IP initiator and responder.



Fix Information

Fixed a memory leak related to ipsec-sa.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips