VULNERABILITY INTELLIGENCE
CVE-2025-9408
CVSS score8.1 HIGH
EPSS probability0.12%
CISA KEVNot currently listed
Published2025-11-11
Last modified2026-10-18
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
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.
Weakness classification
- vulnerabilities@zephyrproject.org: CWE-270