RHEL 9 : containernetworking-plugins (RHSA-2025:8539)

critical Nessus Plugin ID 237765

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Synopsis

The remote Red Hat host is missing a security update for containernetworking-plugins.

Description

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2025:8539 advisory.

The Container Network Interface (CNI) project consists of a specification and libraries for writing plug- ins for configuring network interfaces in Linux containers, along with a number of supported plug-ins. CNI concerns itself only with network connectivity of containers and removing allocated resources when the container is deleted.

Security Fix(es):

* net/http: Request smuggling due to acceptance of invalid chunked data in net/http (CVE-2025-22871)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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 RHEL containernetworking-plugins package based on the guidance in RHSA-2025:8539.

Plugin Details

Severity: Critical

ID: 237765

File Name: redhat-RHSA-2025-8539.nasl

Version: 1.2

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 6/4/2025

Updated: 6/5/2025

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

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

CVSS Score Source: CVE-2025-22871

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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

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

Vulnerability Information

CPE: cpe:/o:redhat:rhel_eus:9.4, p-cpe:/a:redhat:enterprise_linux:containernetworking-plugins

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 6/4/2025

Vulnerability Publication Date: 4/3/2025

Reference Information

CVE: CVE-2025-22871

CWE: 444

RHSA: 2025:8539

Detections

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