1. Home
  2. CVE Database
  3. CVE-2025-9408
HIGH · 8.1

CVE-2025-9408

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.

Vulnerability 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 Score

8.1

HIGH

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Related Weaknesses (CWE)

CWE-270

References

FAQ

What is CVE-2025-9408?

CVE-2025-9408 is a vulnerability with a CVSS score of 8.1 (HIGH). 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.

How severe is CVE-2025-9408?

CVE-2025-9408 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-9408?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.