CVE-2025-9408
Nov. 12, 2025, 4:19 p.m.
8.1
High
Description
System call entry on Cortex M (and possibly R and A, but I think not) has a race which allows very practical privilege escalation for malicious userspace processes.
Product(s) Impacted
| Vendor | Product | Versions |
|---|---|---|
| Zephyrproject |
|
|
| Arm |
|
|
Weaknesses
Common security weaknesses mapped to this vulnerability.
CWE-270
Privilege Context Switching Error
The product does not properly manage privileges while it is switching between different contexts that have different privileges or spheres of control.
*CPE(s)
Affected systems and software identified for this CVE.
| Type | Vendor | Product | Version | Update | Edition | Language | Software Edition | Target Software | Target Hardware | Other Information |
|---|---|---|---|---|---|---|---|---|---|---|
| a | zephyrproject | zephyr | 0.0.1 | / | / | / | / | / | / | / |
| a | arm | cortex_m | / | / | / | / | / | / | / | / |
Tags
CVSS Score
CVSS Data - 3.1
- Attack Vector: LOCAL
- Attack Complexity: HIGH
- Privileges Required: NONE
- Scope: CHANGED
- Confidentiality Impact: HIGH
- Integrity Impact: HIGH
- Availability Impact: HIGH
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Timeline
Published: Nov. 11, 2025, 4:15 p.m.
Last Modified: Nov. 12, 2025, 4:19 p.m.
Last Modified: Nov. 12, 2025, 4:19 p.m.
Status : Awaiting Analysis
CVE has been recently published to the CVE List and has been received by the NVD.
More infoSource
vulnerabilities@zephyrproject.org
*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.