Bug ID 534018: Memory leak while running some of PEM::session and PEM::subscriber commands.

Last Modified: Nov 07, 2022

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

Known Affected Versions:
11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5

Fixed In:
12.0.0, 11.6.0 HF6

Opened: Jul 17, 2015

Severity: 2-Critical


When running an irule that has PEM::session info commands, it was observed that the memory consumption by the PEM module kept going up till and the system eventually ran out of memory.


System runs out of memory.


Create an irule that has PEM::session info commands that run asynchronously and attach it to one of the virtuals in use.



Fix Information

The memory leak while executing the commands - <PEM::session info /PEM::subscriber info/PEM::session config policy/PEM::subscriber config policy> has been fixed. The leak only occurs when these commands run asynchronously.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips