{"id":"CVE-2025-9408","revision":"a8dcb11f61924b478531af9b573fe6c6","records":[{"revision":"a8dcb11f61924b478531af9b573fe6c6","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-9408","aliases":[],"title":"Userspace privilege escalation vulnerability on Cortex M","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.","state":0,"publishedAt":"2025-11-11T15:34:58.719+00:00","modifiedAt":"2026-10-13T20:00:06.803+00:00","affected":[{"ecosystem":"Vendor product","name":"Zephyr","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageName\": \"Zephyr\",\n                    \"product\": \"Zephyr\",\n                    \"repo\": \"https://github.com/zephyrproject-rtos/zephyr\",\n                    \"vendor\": \"zephyrproject-rtos\",\n                    \"versions\": [\n                        {\n                            \"lessThan\": \"3.7.2\",\n                            \"status\": \"affected\",\n                            \"version\": \"*\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"lessThan\": \"4.2.2\",\n                            \"status\": \"affected\",\n                            \"version\": \"4.0.0\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","score":8.2,"severity":"HIGH"}],"references":["https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-3r6j-5mp3-75wr"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-9408","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-9408","identifiers":["CVE-2025-9408"]},"retained":false,"historicalAffected":[]}],"coverage":[]}