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LIN1018-3530 : Security Advisory - kea - CVE-2018-5739

Created: Feb 14, 2019    Updated: May 13, 2022
Resolved Date: Feb 20, 2019
Found In Version: unknown
Fix Version: 10.18.44.4
Severity: Standard
Applicable for: Wind River Linux LTS 18
Component/s: Userspace

Description

An extension to hooks capabilities which debuted in Kea 1.4.0 introduced a memory leak for operators who are using certain hooks library facilities. In order to support multiple requests simultaneously, Kea 1.4 added a callout handle store but unfortunately the initial implementation of this store does not properly free memory in every case. Hooks which make use of query4 or query6 parameters in their callouts can leak memory, resulting in the eventual exhaustion of available memory and subsequent failure of the server process. Affects Kea DHCP 1.4.0.

https://nvd.nist.gov/vuln/detail/CVE-2018-5739

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