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RHEL 9 : NetworkManager (RHSA-2026:58572)

medium Nessus Plugin ID 339088

Synopsis

The remote Red Hat host is missing a security update for NetworkManager.

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:58572 advisory.

 NetworkManager is a system network service that manages network devices and connections, attempting to keep active network connectivity when available. Its capabilities include managing Ethernet, wireless, mobile broadband (WWAN), and PPPoE devices, as well as providing VPN integration with a variety of different VPN services.

 Security Fix(es):

 * NetworkManager: NetworkManager: Local privilege escalation via malformed MUD URLs in dhclient backend (CVE-2026-10805)

 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 NetworkManager package based on the guidance in RHSA-2026:58572.

See Also

https://access.redhat.com/errata/RHSA-2026:58572

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

https://bugzilla.redhat.com/show_bug.cgi?id=2484613

http://www.nessus.org/u?5ad4834c

Plugin Details

Severity: Medium

ID: 339088

File Name: redhat-RHSA-2026-58572.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 8/24/2026

Updated: 8/24/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.95

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 6

Temporal Score: 4.4

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

CVSS Score Source: CVE-2026-10805

CVSS v3

Risk Factor: Medium

Base Score: 6.7

Temporal Score: 5.8

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:9, cpe:/o:redhat:rhel_eus:9.8, p-cpe:/a:redhat:enterprise_linux:networkmanager-adsl, p-cpe:/a:redhat:enterprise_linux:networkmanager-bluetooth, p-cpe:/a:redhat:enterprise_linux:networkmanager-cloud-setup, p-cpe:/a:redhat:enterprise_linux:networkmanager-config-connectivity-redhat, p-cpe:/a:redhat:enterprise_linux:networkmanager-config-server, p-cpe:/a:redhat:enterprise_linux:networkmanager-dispatcher-routing-rules, p-cpe:/a:redhat:enterprise_linux:networkmanager-initscripts-updown, p-cpe:/a:redhat:enterprise_linux:networkmanager-libnm-devel, p-cpe:/a:redhat:enterprise_linux:networkmanager-libnm, p-cpe:/a:redhat:enterprise_linux:networkmanager-ovs, p-cpe:/a:redhat:enterprise_linux:networkmanager-ppp, p-cpe:/a:redhat:enterprise_linux:networkmanager-team, p-cpe:/a:redhat:enterprise_linux:networkmanager-tui, p-cpe:/a:redhat:enterprise_linux:networkmanager-wifi, p-cpe:/a:redhat:enterprise_linux:networkmanager-wwan, p-cpe:/a:redhat:enterprise_linux:networkmanager

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: 8/24/2026

Vulnerability Publication Date: 6/4/2026

Reference Information

CVE: CVE-2026-10805

CWE: 78

RHSA: 2026:58572