CVE-2025-9408

HighCVSS 8.1/10Last modified Oct 18, 2026

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.

Metrics

CVSS 3.1 8.1/10CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-270

Affected software

No affected versions have been published.

Timeline

Published: Nov 11, 2025
Last modified: Oct 18, 2026
NVD status: Deferred

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