Bug ID 675775: TMM crashes inside dynamic ACL building session db callback

Last Modified: Oct 06, 2020

Bug Tracker

Affected Product:  See more info
BIG-IP APM(all modules)

Known Affected Versions:
12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2, 12.1.2, 12.1.2 HF1, 12.1.2 HF2, 12.1.3, 12.1.3.1, 12.1.3.2, 12.1.3.3, 13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3, 13.1.0.4, 13.1.0.5

Fixed In:
14.0.0, 13.1.0.6, 12.1.3.4

Opened: Jul 26, 2017
Severity: 3-Major

Symptoms

Race condition between PPP tunnel close and Session expired happening on different TMM almost at the same time may cause TMM restart in dynamic ACL building session db callback.

Impact

Traffic disrupted while tmm restarts.

Conditions

Race condition between PPP tunnel close and Session expired happening on different TMM almost at the same time.

Workaround

None

Fix Information

Guard against NULL pointer dereference for dynamic ACL build.

Behavior Change