{"containers": {"cna": {"affected": [{"product": "QEMU", "vendor": "n/a", "versions": [{"status": "affected", "version": "Will be fixed in QEMU 7.2.0-rc0"}]}], "descriptions": [{"lang": "en", "value": "A DMA reentrancy issue was found in the Tulip device emulation in QEMU. When Tulip reads or writes to the rx/tx descriptor or copies the rx/tx frame, it doesn't check whether the destination address is its own MMIO address. This can cause the device to trigger MMIO handlers multiple times, possibly leading to a stack or heap overflow. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "description": "CWE-400", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-09-13T19:18:14", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://gitlab.com/qemu-project/qemu/-/issues/1171"}, {"tags": ["x_refsource_MISC"], "url": "https://gitlab.com/qemu-project/qemu/-/commit/36a894aeb64a2e02871016da1c37d4a4ca109182"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secalert@redhat.com", "ID": "CVE-2022-2962", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "QEMU", "version": {"version_data": [{"version_value": "Will be fixed in QEMU 7.2.0-rc0"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A DMA reentrancy issue was found in the Tulip device emulation in QEMU. When Tulip reads or writes to the rx/tx descriptor or copies the rx/tx frame, it doesn't check whether the destination address is its own MMIO address. This can cause the device to trigger MMIO handlers multiple times, possibly leading to a stack or heap overflow. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-400"}]}]}, "references": {"reference_data": [{"name": "https://gitlab.com/qemu-project/qemu/-/issues/1171", "refsource": "MISC", "url": "https://gitlab.com/qemu-project/qemu/-/issues/1171"}, {"name": "https://gitlab.com/qemu-project/qemu/-/commit/36a894aeb64a2e02871016da1c37d4a4ca109182", "refsource": "MISC", "url": "https://gitlab.com/qemu-project/qemu/-/commit/36a894aeb64a2e02871016da1c37d4a4ca109182"}]}}}}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2022-2962", "datePublished": "2022-09-13T19:18:14", "dateReserved": "2022-08-23T00:00:00", "dateUpdated": "2022-09-13T19:18:14", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*", "matchCriteriaId": "F175C5B0-1BE3-4901-8677-35E1F3FCBBA3", "versionEndIncluding": "7.1.0", "versionStartIncluding": "4.2.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "A DMA reentrancy issue was found in the Tulip device emulation in QEMU. When Tulip reads or writes to the rx/tx descriptor or copies the rx/tx frame, it doesn't check whether the destination address is its own MMIO address. This can cause the device to trigger MMIO handlers multiple times, possibly leading to a stack or heap overflow. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition."}, {"lang": "es", "value": "Se encontr\u00f3 un problema de reentrada DMA en la emulaci\u00f3n del dispositivo Tulip en QEMU. Cuando Tulip lee o escribe en el descriptor rx/tx o copia la trama rx/tx, no comprueba si la direcci\u00f3n de destino es su propia direcci\u00f3n MMIO. Esto puede causar a el dispositivo disparar los manejadores MMIO m\u00faltiples veces, posiblemente conllevando a un desbordamiento de la pila (stack, heap). Un hu\u00e9sped malicioso podr\u00eda usar este fallo para bloquear el proceso QEMU en el host, resultando en una condici\u00f3n de denegaci\u00f3n de servicio"}], "id": "CVE-2022-2962", "lastModified": "2023-06-28T20:40:49.643", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-09-13T20:15:09.640", "references": [{"source": "secalert@redhat.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://gitlab.com/qemu-project/qemu/-/commit/36a894aeb64a2e02871016da1c37d4a4ca109182"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://gitlab.com/qemu-project/qemu/-/issues/1171"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-662"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-400"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{}