Bug ID 1353021: Memory Leak in TMM due to SAML SSO after upgrading

Last Modified: Jun 21, 2024

Affected Product(s):
BIG-IP Install/Upgrade(all modules)

Known Affected Versions:
17.1.0, 17.1.0.1, 17.1.0.2, 17.1.0.3, 17.1.1, 17.1.1.1, 17.1.1.2, 17.1.1.3

Opened: Sep 18, 2023

Severity: 2-Critical

Symptoms

When BIG-IP Administrator configures the BIG-IP as SP and enables "Sign Authentication Request", a potential increase in TMM memory is observed compared to memory consumption prior to the upgrade.

Impact

Memory leaks in SAML SSO code while signing authentication request. Over a period, TMM core will be triggered. Traffic disrupted while tmm restarts. Related IDs: ID1282105 at https://cdn.f5.com/product/bugtracker/ID1282105.html ID1353021 at https://cdn.f5.com/product/bugtracker/ID1353021.html ID1354673 at https://cdn.f5.com/product/bugtracker/ID1354673.html

Conditions

- Configuring the BIG-IP as SP and enabling "Sign Authentication Request"

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips