RHEL 10 : udisks2 (RHSA-2026:5831)

high Nessus Plugin ID 303757

Synopsis

The remote Red Hat host is missing one or more security updates for udisks2.

Description

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:5831 advisory.

The Udisks project provides a daemon, tools, and libraries to access and manipulate disks, storage devices, and technologies.

Security Fix(es):

* udisks: Missing Authorization Check Allows Unprivileged Users to Back Up LUKS Headers via udisks D-Bus API (CVE-2026-26104)

* udisks: Missing Authorization Check Allows Unprivileged Users to Restore LUKS Headers via udisks D-Bus API (CVE-2026-26103)

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 these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL udisks2 package based on the guidance in RHSA-2026:5831.

Plugin Details

Severity: High

ID: 303757

File Name: redhat-RHSA-2026-5831.nasl

Version: 1.1

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 3/25/2026

Updated: 3/25/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 6.2

Temporal Score: 4.6

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

CVSS Score Source: CVE-2026-26103

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.2

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:libudisks2, p-cpe:/a:redhat:enterprise_linux:libudisks2-devel, p-cpe:/a:redhat:enterprise_linux:udisks2, p-cpe:/a:redhat:enterprise_linux:udisks2-iscsi, cpe:/o:redhat:enterprise_linux:10, p-cpe:/a:redhat:enterprise_linux:udisks2-lsm, p-cpe:/a:redhat:enterprise_linux:udisks2-lvm2, cpe:/o:redhat:enterprise_linux_eus:10.0

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: 3/25/2026

Vulnerability Publication Date: 2/25/2026

Reference Information

CVE: CVE-2026-26103, CVE-2026-26104

CWE: 862

RHSA: 2026:5831

Detections

Analytics