{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-9408", "assignerOrgId": "e2e69745-5e70-4e92-8431-deb5529a81ad", "state": "PUBLISHED", "assignerShortName": "zephyr", "dateReserved": "2025-08-25T06:44:35.788Z", "datePublished": "2025-11-11T15:34:58.719Z", "dateUpdated": "2025-11-11T15:34:58.719Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "packageName": "Zephyr", "product": "Zephyr", "repo": "https://github.com/zephyrproject-rtos/zephyr", "vendor": "zephyrproject-rtos", "versions": [{"lessThanOrEqual": "4.2", "status": "affected", "version": "*", "versionType": "git"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Userspace privilege escalation vulnerability on Cortex M"}], "value": "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": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-270", "description": "Privilege Context Switching Error", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "e2e69745-5e70-4e92-8431-deb5529a81ad", "shortName": "zephyr", "dateUpdated": "2025-11-11T15:34:58.719Z"}, "references": [{"url": "https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-3r6j-5mp3-75wr"}], "source": {"discovery": "UNKNOWN"}, "title": "Userspace privilege escalation vulnerability on Cortex M", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2025-9408", "lastModified": "2025-11-11T16:15:40.917", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.4, "impactScore": 6.0, "source": "vulnerabilities@zephyrproject.org", "type": "Secondary"}]}, "published": "2025-11-11T16:15:40.917", "references": [{"source": "vulnerabilities@zephyrproject.org", "url": "https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-3r6j-5mp3-75wr"}], "sourceIdentifier": "vulnerabilities@zephyrproject.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-270"}], "source": "vulnerabilities@zephyrproject.org", "type": "Secondary"}]}

{}

{}