CVE-2024-43816

{"id": "CVE-2024-43816", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2024-08-17T10:15:07.950", "references": [{"url": "https://git.kernel.org/stable/c/8bc7c617642db6d8d20ee671fb6c4513017e7a7e", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/9fd003f344d502f65252963169df3dd237054e49", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: lpfc: Revise lpfc_prep_embed_io routine with proper endian macro usages\n\nOn big endian architectures, it is possible to run into a memory out of\nbounds pointer dereference when FCP targets are zoned.\n\nIn lpfc_prep_embed_io, the memcpy(ptr, fcp_cmnd, sgl->sge_len) is\nreferencing a little endian formatted sgl->sge_len value. So, the memcpy\ncan cause big endian systems to crash.\n\nRedefine the *sgl ptr as a struct sli4_sge_le to make it clear that we are\nreferring to a little endian formatted data structure. And, update the\nroutine with proper le32_to_cpu macro usages."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: scsi: lpfc: Revisar la rutina lpfc_prep_embed_io con usos de macro endian adecuados. En arquitecturas big endian, es posible ejecutar una desreferencia de puntero de memoria fuera de los l\u00edmites cuando los objetivos FCP est\u00e1n divididos en zonas. En lpfc_prep_embed_io, memcpy(ptr, fcp_cmnd, sgl->sge_len) hace referencia a un valor sgl->sge_len con formato little endian. Por lo tanto, memcpy puede provocar que los sistemas big endian colapsen. Redefina *sgl ptr como una estructura sli4_sge_le para dejar claro que nos referimos a una estructura de datos con formato little endian. Y actualice la rutina con usos adecuados de la macro le32_to_cpu."}], "lastModified": "2025-09-29T15:21:45.613", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "21DC7A88-E88C-4C44-9AFB-CBB30134097C", "versionEndExcluding": "6.10.3", "versionStartIncluding": "6.10"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}