F5-K000156691: High severity F5 BIG-IP vulnerability
When the database variable tm.tcpudptxchecksum is configured as non-default value Software-only on a BIG-IP system, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate.
Affected Software
Event History
Frequently Asked Questions
What is the severity of F5-K000156691?
F5-K000156691 is categorized as a high severity vulnerability due to its potential to cause the Traffic Management Microkernel (TMM) to terminate.
How do I fix F5-K000156691?
To fix F5-K000156691, configure the tm.tcpudptxchecksum database variable back to its default value.
Which versions of F5 BIG-IP are affected by F5-K000156691?
F5-K000156691 affects F5 BIG-IP versions 15.1.0 to 15.1.10, 16.1.0 to 16.1.6, and 17.1.0 to 17.5.1.
What is the cause of the F5-K000156691 vulnerability?
The vulnerability occurs when the tm.tcpudptxchecksum is set to a non-default value of Software-only, leading to TMM termination.
Is there a specific workaround for F5-K000156691?
The only recommended workaround for F5-K000156691 is to revert the tm.tcpudptxchecksum variable to its default configuration.