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AlmaLinux 9.2 [TuxCare] Security Update: systemd / systemd-boot-unsigned / systemd-container / systemd-devel / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1787064068)

medium Nessus Plugin ID 351840

Synopsis

The AlmaLinux host is missing one or more security updates.

Description

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1787064068 advisory.

 - In udev in systemd before 260, local root execution can occur via malicious hardware devices and unsanitized kernel output. (CVE-2026-40225)

 - In nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional config file. (CVE-2026-40226)

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 affected packages based on the guidance in TuxCare advisory ALMALINUX9.2:CLSA-2026:1787064068.

See Also

https://cve.tuxcare.com/els/releases/CLSA-2026:1787064068

http://www.nessus.org/u?75cece80

Plugin Details

Severity: Medium

ID: 351840

File Name: tuxcare_alma_linux_9.2_CLSA-2026-1787064068.nasl

Version: 1.1

Type: Local

Published: 9/30/2026

Updated: 9/30/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.5

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 6.2

Temporal Score: 4.6

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

CVSS Score Source: CVE-2026-40225

CVSS v3

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5.6

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

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

CVSS Score Source: CVE-2026-40226

Vulnerability Information

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list, Host/OS/extended-third-party

Exploit Ease: No known exploits are available

Patch Publication Date: 8/18/2026

Vulnerability Publication Date: 4/10/2026

Reference Information

CVE: CVE-2026-40225, CVE-2026-40226

CLSA: 2026:1787064068