CVE-2025-9408
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-11-11
Last updated on: 2025-11-11
Assigner: Zephyr Project
Description
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.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| zephyrproject | zephyr | * |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-270 | The product does not properly manage privileges while it is switching between different contexts that have different privileges or spheres of control. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a race condition in the system call entry on Cortex M processors (and possibly Cortex R and A). It allows malicious userspace processes to escalate their privileges in a practical way.
How can this vulnerability impact me? :
The vulnerability can lead to privilege escalation, meaning a malicious userspace process could gain higher privileges than intended. This can compromise the confidentiality, integrity, and availability of the system.
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