K44020030 : BIG-IP Client SSL Security Advisory CVE-2020-5936

Security Advisory Description

The Traffic Management Microkernel (TMM) process may consume excessive resources when processing SSL traffic and client authentication are enabled on the client SSL profile.

Impact

TMM memory may eventually become exhausted and may result in the system producing a core file. The BIG-IP system may temporarily fail to process traffic as it recovers from TMM restarting. If the system is configured as part of a high-availability pair, the device may fail over.

The BIG-IP 4000s and 4200v platforms (C113) may encounter the issue more rapidly than other BIG-IP platforms.