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AlmaLinux 9.2 [TuxCare] Security Update: libreswan (ALMALINUX9.2:CLSA-2025:1764957598)

medium Nessus Plugin ID 362153

Synopsis

The AlmaLinux host is missing one or more security updates.

Description

The AlmaLinux 9.2 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1764957598 advisory.

 - 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. (CVE-2024-2357)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected libreswan package based on the guidance in TuxCare advisory ALMALINUX9.2:CLSA-2025:1764957598.

See Also

https://cve.tuxcare.com/els/releases/CLSA-2025:1764957598

http://www.nessus.org/u?5924a55d

Plugin Details

Severity: Medium

ID: 362153

File Name: tuxcare_alma_linux_9.2_CLSA-2025-1764957598.nasl

Version: 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.26

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:C

CVSS Score Source: CVE-2024-2357

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list, Host/OS/extended-third-party

Exploit Ease: No known exploits are available

Patch Publication Date: 12/5/2025

Vulnerability Publication Date: 3/11/2024

Reference Information

CVE: CVE-2024-2357

CLSA: 2025:1764957598