Bug ID 511130: TMM core due to invalid memory access while handling CMP acknowledgement

Last Modified: Oct 01, 2018

Bug Tracker

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

Known Affected Versions:
10.2.4, 11.4.0, 11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.2, 11.5.2 HF1, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4

Fixed In:
12.0.0, 11.6.0 HF5, 11.5.3

Opened: Mar 07, 2015
Severity: 3-Major

Symptoms

Rarely, TMM might core due to invalid memory access while handling a CMP acknowledgement.

Impact

Traffic disrupted while tmm restarts.

Conditions

Memory is not validated before handling a CMP acknowledgement.

Workaround

None.

Fix Information

Memory is now validated before handling a CMP acknowledgement.

Behavior Change