CVE-2025-9408
HIGHCVSS 8.1/10EPSS 0.10%
Last modified
CVE-2025-9408 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. 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.. EPSS estimates a 0.10% chance of exploitation in the next 30 days.
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/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is 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.
How severe is CVE-2025-9408?
CVE-2025-9408 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.10% probability of exploitation in the next 30 days.
How do I fix CVE-2025-9408?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Are you affected by CVE-2025-9408?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST