CVE-2026-37532

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linuxfoundation:automotive_grade_linux:*:*:*:*:*:*:*:*", "matchCriteriaId": "F565A1E5-42E5-4115-830F-2A328C92F35B", "versionEndIncluding": "17.1.12", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "AGL agl-service-can-low-level thru 17.1.12 contains a heap buffer over-read in the isotp-c library. In isotp_continue_receive (receive.c:87-89), the payload_length for a Single Frame is extracted from a 4-bit nibble in the CAN frame data, yielding values 0-15. However, a standard CAN frame is only 8 bytes, with payload starting at data[1] (7 bytes available). When payload_length exceeds the available data (e.g., nibble=15 but only 7 payload bytes exist), memcpy(message.payload, &data[1], payload_length) reads up to 8 bytes past the end of the data buffer."}, {"lang": "es", "value": "AGL agl-service-can-low-level hasta la 17.1.12 contiene una lectura excesiva de b\u00fafer de pila en la biblioteca isotp-c. En isotp_continue_receive (receive.c:87-89), la longitud de la carga \u00fatil (payload_length) para un Marco \u00danico se extrae de un nibble de 4 bits en los datos del marco CAN, produciendo valores de 0 a 15. Sin embargo, un marco CAN est\u00e1ndar es de solo 8 bytes, con la carga \u00fatil comenzando en data[1] (7 bytes disponibles). Cuando payload_length excede los datos disponibles (por ejemplo, nibble=15 pero solo existen 7 bytes de carga \u00fatil), memcpy(message.payload, &data[1], payload_length) lee hasta 8 bytes m\u00e1s all\u00e1 del final del b\u00fafer de datos."}], "id": "CVE-2026-37532", "lastModified": "2026-11-08T16:10:00.183", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.2, "source": "cve@mitre.org", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-37532", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-05-01T19:33:10.186601Z", "version": "2.0.3"}}]}, "published": "2026-05-01T17:16:22.897", "references": [{"source": "cve@mitre.org", "tags": ["Broken Link"], "url": "https://gerrit.automotivelinux.org/gerrit/apps/agl-service-can-low-level"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://gist.github.com/sgInnora/8526eedcfd826d05ef1fc45d8f405643"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-126"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,17.1.12]"}}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "agl-service-can-low-level", "vendor": "automotivelinux"}], "created": "2026-05-02T08:00:14.124796+00:00", "title": "Heap Buffer Over\u2011Read in AGL isotp-c Library Allows Arbitrary Memory Disclosure", "updated": "2026-05-04T19:44:46.139605+00:00", "vendors": ["automotivelinux", "automotivelinux$PRODUCT$agl-service-can-low-level"]}