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F5 Networks: K07550539: TMM with LRO vulnerability CVE-2018-15311

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F5 Networks: K07550539: TMM with LRO vulnerability CVE-2018-15311

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
10/10/2018
Created
02/19/2022
Added
02/18/2022
Modified
02/18/2022

Description

When F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.3.5, 11.6.0-11.6.3.2, or 11.5.1-11.5.6 is processing specially crafted TCP traffic with the Large Receive Offload (LRO) feature enabled, TMM may crash, leading to a failover event. This vulnerability is not exposed unless LRO is enabled, so most affected customers will be on 13.1.x. LRO has been available since 11.4.0 but is not enabled by default until 13.1.0.

Solution(s)

  • f5-big-ip-upgrade-latest

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