CVE-2024-36920

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The array is intended\nto be a flexible length array, so the WARN is a false positive.\n\nTo suppress the WARN, remove the constant number '1' from the array\ndeclaration and clarify that it has flexible length. Also, adjust the\nmemory allocation size to match the change."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: scsi: mpi3mr: evitar escritura de extensi\u00f3n de campos de memcpy ADVERTENCIA Cuando se ejecuta el comando \"storcli2 show\" para eHBA-9600, el controlador mpi3mr imprime este mensaje de ADVERTENCIA: memcpy: extensi\u00f3n de campos detectada escriba (tama\u00f1o 128) de un solo campo \"bsg_reply_buf->reply_buf\" en drivers/scsi/mpi3mr/mpi3mr_app.c:1658 (tama\u00f1o 1) ADVERTENCIA: CPU: 0 PID: 12760 en drivers/scsi/mpi3mr/mpi3mr_app.c:1658 mpi3mr_bsg_request+0x6b12/0x7f10 [mpi3mr] La causa de la ADVERTENCIA es 128 bytes de memoria en la matriz de tama\u00f1o de 1 byte \"__u8 replay_buf[1]\" en la estructura mpi3mr_bsg_in_reply_buf. La matriz est\u00e1 manipulada para ser una matriz de longitud flexible, por lo que WARN es un falso positivo. Para suprimir WARN, elimine el n\u00famero constante '1' de la declaraci\u00f3n de matriz y aclare que tiene una longitud flexible. Adem\u00e1s, ajuste el tama\u00f1o de la asignaci\u00f3n de memoria para que coincida con el cambio."}], "id": "CVE-2024-36920", "lastModified": "2026-06-17T07:37:21.913", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-36920", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-06-05T18:22:06.427418Z", "version": "2.0.3"}}]}, "published": "2024-05-30T16:15:15.303", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/429846b4b6ce9853e0d803a2357bb2e55083adf0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4d2772324f43cf5674ac3dbe3f74a7e656396716"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5f0266044dc611563539705bff0b3e1545fbb6aa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f09318244c6cafd10aca741b9c01e0a2c362d43a"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/429846b4b6ce9853e0d803a2357bb2e55083adf0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4d2772324f43cf5674ac3dbe3f74a7e656396716"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5f0266044dc611563539705bff0b3e1545fbb6aa"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f09318244c6cafd10aca741b9c01e0a2c362d43a"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2024:7001", "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv", "package": "kernel-rt-0:4.18.0-553.22.1.rt7.363.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-09-24T00:00:00Z"}, {"advisory": "RHSA-2024:7000", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-553.22.1.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-09-24T00:00:00Z"}, {"advisory": "RHSA-2024:10262", "cpe": "cpe:/o:redhat:rhel_eus:8.8", "package": "kernel-0:4.18.0-477.81.1.el8_8", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2024-11-26T00:00:00Z"}, {"advisory": "RHSA-2024:9315", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2024:9315", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2024:10772", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "kernel-0:5.14.0-284.95.1.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-12-04T00:00:00Z"}, {"advisory": "RHSA-2024:10773", "cpe": "cpe:/a:redhat:rhel_eus:9.2::nfv", "package": "kernel-rt-0:5.14.0-284.95.1.rt14.380.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-12-04T00:00:00Z"}, {"advisory": "RHSA-2025:3215", "cpe": "cpe:/a:redhat:rhel_eus:9.4", "package": "kernel-0:5.14.0-427.61.1.el9_4", "product_name": "Red Hat Enterprise Linux 9.4 Extended Update Support", "release_date": "2025-03-26T00:00:00Z"}], "bugzilla": {"description": "kernel: scsi: mpi3mr: Avoid memcpy field-spanning write WARNING", "id": "2284515", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2284515"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nscsi: mpi3mr: Avoid memcpy field-spanning write WARNING\nWhen the \"storcli2 show\" command is executed for eHBA-9600, mpi3mr driver\nprints this WARNING message:\nmemcpy: detected field-spanning write (size 128) of single field \"bsg_reply_buf->reply_buf\" at drivers/scsi/mpi3mr/mpi3mr_app.c:1658 (size 1)\nWARNING: CPU: 0 PID: 12760 at drivers/scsi/mpi3mr/mpi3mr_app.c:1658 mpi3mr_bsg_request+0x6b12/0x7f10 [mpi3mr]\nThe cause of the WARN is 128 bytes memcpy to the 1 byte size array \"__u8\nreplay_buf[1]\" in the struct mpi3mr_bsg_in_reply_buf. The array is intended\nto be a flexible length array, so the WARN is a false positive.\nTo suppress the WARN, remove the constant number '1' from the array\ndeclaration and clarify that it has flexible length. Also, adjust the\nmemory allocation size to match the change."], "name": "CVE-2024-36920", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-36920\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-36920\nhttps://lore.kernel.org/linux-cve-announce/2024053039-CVE-2024-36920-b4a7@gregkh/T"], "threat_severity": "Low"}

{}