Bug ID 945997: LTM policy applied to HTTP/2 traffic may crash TMM

Last Modified: May 29, 2024

Affected Product(s):
BIG-IP LTM(all modules)

Known Affected Versions:
14.0.0, 14.0.0.1, 14.0.0.2, 14.0.0.3, 14.0.0.4, 14.0.0.5, 14.0.1, 14.0.1.1, 14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.5, 14.1.0.6, 14.1.2, 14.1.2.1, 14.1.2.2, 14.1.2.3, 14.1.2.4, 14.1.2.5, 14.1.2.6, 14.1.2.7, 14.1.2.8, 14.1.3, 14.1.3.1, 14.1.4, 14.1.4.1, 15.0.0, 15.0.1, 15.0.1.1, 15.0.1.2, 15.0.1.3, 15.0.1.4, 15.1.0, 15.1.0.1, 15.1.0.2, 15.1.0.3, 15.1.0.4, 15.1.0.5, 15.1.1, 15.1.2, 15.1.2.1, 15.1.3, 15.1.3.1, 16.0.0, 16.0.0.1, 16.0.1, 16.0.1.1

Fixed In:
16.1.0, 16.0.1.2, 15.1.4, 14.1.4.2

Opened: Sep 16, 2020

Severity: 2-Critical

Symptoms

When an LTM policy is applied to HTTP/2 traffic and refers to TCL expression(s), TMM may crash.

Impact

Traffic disrupted while tmm restarts.

Conditions

-- A virtual is configured with http and http2 profiles. -- An LTM policy is published and refers to TCL expression(s). -- The policy is attached to the virtual server.

Workaround

None

Fix Information

BIG-IP properly processes LTM policy with TCL expression(s) when it is applied to a virtual handling HTTP/2 traffic.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips