RHCOS 4 : OpenShift Container Platform 4.20.6 (RHSA-2025:22255)

medium Nessus Plugin ID 311902

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Synopsis

The remote Red Hat CoreOS host is missing a security update for OpenShift Container Platform 4.20.6.

Description

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2025:22255 advisory.

- golang: archive/tar: Unbounded allocation when parsing GNU sparse map (CVE-2025-58183)

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 4.20.6 packages based on the guidance in RHSA-2025:22255.

Plugin Details

Severity: Medium

ID: 311902

File Name: rhcos-RHSA-2025-22255.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Red Hat Local Security Checks

Published: 5/4/2026

Updated: 5/4/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 2.2

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2025-58183

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.8

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:cri-o, cpe:/o:redhat:enterprise_linux:9:coreos

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: 12/2/2025

Vulnerability Publication Date: 10/23/2025

Reference Information

CVE: CVE-2025-58183

CWE: 770

RHSA: 2025:22255

Detections

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