RHCOS 4 : OpenShift Container Platform 4.19.1 (RHSA-2025:9279)

critical Nessus Plugin ID 311507

Synopsis

The remote Red Hat CoreOS host is missing a security update for OpenShift Container Platform 4.19.1.

Description

The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:9279 advisory.

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

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 RHCOS OpenShift Container Platform 4.19.1 packages based on the guidance in RHSA-2025:9279.

See Also

https://access.redhat.com/security/updates/classification/#moderate

https://bugzilla.redhat.com/show_bug.cgi?id=2358493

http://www.nessus.org/u?dd76c0e8

https://access.redhat.com/errata/RHSA-2025:9279

Plugin Details

Severity: Critical

ID: 311507

File Name: rhcos-RHSA-2025-9279.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 5/2/2026

Updated: 5/2/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

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: p-cpe:/a:redhat:enterprise_linux:podman, p-cpe:/a:redhat:enterprise_linux:openshift-clients, p-cpe:/a:redhat:enterprise_linux:podman-plugins, p-cpe:/a:redhat:enterprise_linux:cri-tools, p-cpe:/a:redhat:enterprise_linux:podman-tests, cpe:/o:redhat:enterprise_linux:9:coreos, p-cpe:/a:redhat:enterprise_linux:skopeo, p-cpe:/a:redhat:enterprise_linux:skopeo-tests, p-cpe:/a:redhat:enterprise_linux:openshift-clients-redistributable, cpe:/o:redhat:enterprise_linux:8:coreos, p-cpe:/a:redhat:enterprise_linux:podman-docker, p-cpe:/a:redhat:enterprise_linux:podman-remote, p-cpe:/a:redhat:enterprise_linux:cri-o

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: 6/24/2025

Vulnerability Publication Date: 4/3/2025

Reference Information

CVE: CVE-2025-22871

CWE: 444

RHSA: 2025:9279