Last Modified: Sep 01, 2026
Affected Product(s):
BIG-IP LTM
Known Affected Versions:
21.1.0.1
Opened: Aug 05, 2026 Severity: 2-Critical
TMM experiences crashes on certain platforms with a FIPS enabled license
TMM instability and restart loop
- FIPS-enabled license on platforms that do not support the CPU feature BMI2 - This may rarely include CPUs used on hypervisor systems, but more often will be due to virtualization software not exposing the BMI2 feature set to the guest vCPUs. F5 r2xx and r4xx lack BMI2.
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