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vulnerability

Oracle Linux: CVE-2024-2357: ELSA-2024-1998: libreswan security update (MODERATE) (Multiple Advisories)

Severity
4
CVSS
(AV:L/AC:M/Au:S/C:N/I:N/A:C)
Published
Mar 11, 2024
Added
Apr 24, 2024
Modified
Dec 3, 2025

Description

The Libreswan Project was notified of an issue causing libreswan to restart under some IKEv2 retransmit scenarios when a connection is configured to use PreSharedKeys (authby=secret) and the connection cannot find a matching configured secret. When such a connection is automatically added on startup using the auto= keyword, it can cause repeated crashes leading to a Denial of Service.
A flaw was found in Libreswan. This issue causes Libreswan to restart under some IKEv2 retransmit scenarios when a connection is configured to use PreSharedKeys (authby=secret), and the connection cannot find a matching configured secret. When automatically added on startup using the auto= keyword, it can cause repeated crashes, leading to a denial of service.

Solution

oracle-linux-upgrade-libreswan
Title
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