{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-40337", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-04-10T22:50:01.358Z", "datePublished": "2026-04-17T23:51:09.866Z", "dateUpdated": "2026-04-17T23:51:09.866Z"}, "containers": {"cna": {"title": "Sentry kernel has incomplete ownership check for IRQ line manipulation", "problemTypes": [{"descriptions": [{"cweId": "CWE-283", "lang": "en", "description": "CWE-283: Unverified Ownership", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/camelot-os/sentry-kernel/security/advisories/GHSA-5hgv-rg2f-79pg", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/camelot-os/sentry-kernel/security/advisories/GHSA-5hgv-rg2f-79pg"}, {"name": "https://github.com/camelot-os/sentry-kernel/pull/108", "tags": ["x_refsource_MISC"], "url": "https://github.com/camelot-os/sentry-kernel/pull/108"}, {"name": "https://github.com/camelot-os/sentry-kernel/commit/150b7edd2c5b0da0a8baeed3135ddde613b08081", "tags": ["x_refsource_MISC"], "url": "https://github.com/camelot-os/sentry-kernel/commit/150b7edd2c5b0da0a8baeed3135ddde613b08081"}], "affected": [{"vendor": "camelot-os", "product": "sentry-kernel", "versions": [{"version": "< 0.4.7", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-04-17T23:51:09.866Z"}, "descriptions": [{"lang": "en", "value": "The Sentry kernel is a high security level micro-kernel implementation made for high security embedded systems. A given task with one of the DEV or IO capability is able to interact with another task's IRQ line through the __sys_int_* syscall familly. Prior to version 0.4.7, this can lead to DoS and covert-channels between this task and the outer world. A patch is available in version 0.4.7. As a workaround, reduce tasks that have the DEV and IO capability to a single one."}], "source": {"advisory": "GHSA-5hgv-rg2f-79pg", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "The Sentry kernel is a high security level micro-kernel implementation made for high security embedded systems. A given task with one of the DEV or IO capability is able to interact with another task's IRQ line through the __sys_int_* syscall familly. Prior to version 0.4.7, this can lead to DoS and covert-channels between this task and the outer world. A patch is available in version 0.4.7. As a workaround, reduce tasks that have the DEV and IO capability to a single one."}], "id": "CVE-2026-40337", "lastModified": "2026-04-18T00:16:37.667", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 0.8, "impactScore": 4.2, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-04-18T00:16:37.667", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/camelot-os/sentry-kernel/commit/150b7edd2c5b0da0a8baeed3135ddde613b08081"}, {"source": "security-advisories@github.com", "url": "https://github.com/camelot-os/sentry-kernel/pull/108"}, {"source": "security-advisories@github.com", "url": "https://github.com/camelot-os/sentry-kernel/security/advisories/GHSA-5hgv-rg2f-79pg"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-283"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}