VDB-356836 · CVE-2026-40225 · GCVE-0-2026-40225

systemd up to 259 udev resource transfer

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.2	$0-$5k	0.43

Summaryinfo

A vulnerability was found in systemd up to 259 and classified as critical. The impacted element is an unknown function of the component udev. Executing a manipulation can lead to resource transfer. This vulnerability is handled as CVE-2026-40225. The physical device can be targeted for the attack. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in systemd up to 259 and classified as critical. This vulnerability affects an unknown code of the component udev. The manipulation with an unknown input leads to a resource transfer vulnerability. The CWE definition for the vulnerability is CWE-669. The product does not properly transfer a resource/behavior to another sphere, or improperly imports a resource/behavior from another sphere, in a manner that provides unintended control over that resource. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In udev in systemd before 260, local root execution can occur via malicious hardware devices and unsanitized kernel output.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-40225 since 04/10/2026. The exploitation appears to be difficult. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available.

Upgrading to version 260 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

systemd

Version

License

open-source

Website

Product: https://github.com/systemd/systemd/

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.4
CNA Vector (MITRE): 🔒

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Resource transfer
CWE: CWE-669
CAPEC: 🔒
ATT&CK: 🔒

Physical: Yes
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: systemd 260

Timelineinfo

04/10/2026 Advisory disclosed
04/10/2026 +0 days CVE reserved
04/10/2026 +0 days VulDB entry created
04/10/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-40225 (🔒)
GCVE (CVE): GCVE-0-2026-40225
GCVE (VulDB): GCVE-100-356836

Entryinfo

Created: 04/10/2026 17:53
Changes: 04/10/2026 17:53 (62)
Complete: 🔍
Cache ID: 216:DE9:103