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.
Scoring
- Severity
- HIGH
- CVSS base score
- 8.2
- CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
- EPSS probability
- 0.11%
- CWE
- CWE-270
- Published
- 2025-11-11
- Last modified
- 2026-03-12
Affected products
- zephyrproject-rtos Zephyr
Weakness type
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