Last Modified: Oct 16, 2023
Affected Product(s):
BIG-IP TMOS
Known Affected Versions:
12.1.2, 12.1.3, 12.1.3.1, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1, 13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3
Fixed In:
14.0.0, 13.1.0.4, 12.1.3.2
Opened: Oct 30, 2017 Severity: 2-Critical
The TMM crashes in the DNS response cache periodic sweep.
The TMM cores and automatically restarts, Traffic disrupted while tmm restarts.
The DNS resolver connection fails after a successful lookup response is cached. This has been reproduced with a failure due to a lost route. Other failures such as down ports do not cause a crash.
No known workaround.
The reference counting of the resolver connection was fixed.