Bug ID 705794: Under certain circumstances a stale HTTP/2 stream might cause a tmm crash

Last Modified: Sep 13, 2023

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

Known Affected Versions:
12.1.2, 12.1.3, 12.1.3.1, 12.1.3.2, 12.1.3.3, 13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3, 13.1.0.4, 13.1.0.5

Fixed In:
14.0.0, 13.1.0.6, 12.1.3.4, 11.6.3.3

Opened: Feb 07, 2018

Severity: 3-Major

Symptoms

A HTTP/2 stream is getting overlooked when cleaning up a HTTP/2 flow.

Impact

Traffic disrupted while tmm restarts.

Conditions

The only known condition is that the closing_stream is not empty. Exact entrance conditions are not clear.

Workaround

There is no workaround at this time.

Fix Information

HTTP/2 flows are now properly cleaned up to prevent a tmm crash.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips