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Actualmente hay soporte para 32 direcciones en el kernel a trav\u00e9s de la definici\u00f3n PHY_MAX_ADDR, pero es posible pasar un valor m\u00e1s alto que ese a trav\u00e9s de ioctl. Si bien la operaci\u00f3n de lectura/escritura generalmente deber\u00eda fallar en este caso, mdiobus proporciona una matriz de estad\u00edsticas, donde la direcci\u00f3n incorrecta puede permitir la lectura/escritura fuera de los l\u00edmites. Corrija eso agregando la verificaci\u00f3n de direcci\u00f3n antes de la operaci\u00f3n de lectura/escritura. Si bien esto excluye este acceso de cualquier estad\u00edstica, mejora la seguridad de la operaci\u00f3n de lectura/escritura."}], "id": "CVE-2025-38111", "lastModified": "2025-12-16T16:54:27.547", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-07-03T09:15:24.810", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/014ad9210373d2104f6ef10e6bb999a7a0a4c50e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/049af7ac45a6b407748ee0995278fd861e36df8f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0e629694126ca388916f059453a1c36adde219c4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/19c5875e26c4ed5686d82a7d8f7051385461b9eb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/73d478234a619f3476028cb02dee699c30ae8262"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b02d9d2732483e670bc34cb233d28e1d43b15da4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bab6bca0834cbb5be2a7cfe59ec6ad016ec72608"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "Mailing List"], "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "Mailing List"], "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: net/mdiobus: Fix potential out-of-bounds read/write access", "id": "2376075", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2376075"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet/mdiobus: Fix potential out-of-bounds read/write access\nWhen using publicly available tools like 'mdio-tools' to read/write data\nfrom/to network interface and its PHY via mdiobus, there is no verification of\nparameters passed to the ioctl and it accepts any mdio address.\nCurrently there is support for 32 addresses in kernel via PHY_MAX_ADDR define,\nbut it is possible to pass higher value than that via ioctl.\nWhile read/write operation should generally fail in this case,\nmdiobus provides stats array, where wrong address may allow out-of-bounds\nread/write.\nFix that by adding address verification before read/write operation.\nWhile this excludes this access from any statistics, it improves security of\nread/write operation."], "name": "CVE-2025-38111", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Under investigation", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-07-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38111\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38111\nhttps://lore.kernel.org/linux-cve-announce/2025070324-CVE-2025-38111-8e9a@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-06T22:16:22.551339+00:00", "updated": "2025-07-06T22:16:22.551385+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}