Last Modified: Apr 28, 2025
Affected Product(s):
BIG-IP LTM
Known Affected Versions:
11.2.0, 11.2.1, 11.3.0, 11.4.1
Fixed In:
11.5.0, 11.5.0, 11.4.1 HF6
Opened: Jul 15, 2013 Severity: 2-Critical Related Article:
K15600
System is under memory pressure, umem slabs are constantly being created and destroyed. Repeated TMM SIGABRTs in vmem_alloc.
The BIG-IP system slows down and becomes unstable.
High memory usage of network buffers.
None.
Improvements have been made to the way the system handles memory pressure, so the system does not slow down or become unstable.