CVE-2018-15311

Name of the Vulnerable Software and Affected Versions F5 BIG-IP versions 11.5.1 through 11.5.6 F5 BIG-IP versions 11.6.0 through 11.6.3.2 F5 BIG-IP versions 12.1.0 through 12.1.3.5 F5 BIG-IP versions 13.0.0 through 13.1.0.5

Description The issue occurs when F5 BIG-IP processes specially crafted TCP traffic with the Large Receive Offload (LRO) feature enabled, causing TMM to crash and leading to a failover event. This issue is only exposed if LRO is enabled.

Recommendations For F5 BIG-IP versions 11.5.1 through 11.5.6, consider disabling the LRO feature to prevent TMM crashes. For F5 BIG-IP versions 11.6.0 through 11.6.3.2, consider disabling the LRO feature to prevent TMM crashes. For F5 BIG-IP versions 12.1.0 through 12.1.3.5, consider disabling the LRO feature to prevent TMM crashes. For F5 BIG-IP versions 13.0.0 through 13.1.0.5, consider disabling the LRO feature to prevent TMM crashes.