CVE-2024-49997

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Statistics\nare also not incremented. This driver does not support statistics in the\nold 32-bit format or the new 64-bit format. These will be added in the\nfuture. 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The mentioned data is observed on the wire. This patch uses\nskb_put_padto() to pad Ethernet frames properly. The mentioned function\nzeroes the expanded buffer.\n\nIn case the packet cannot be padded it is silently dropped. Statistics\nare also not incremented. This driver does not support statistics in the\nold 32-bit format or the new 64-bit format. These will be added in the\nfuture. In its current form, the patch should be easily backported to\nstable versions.\n\nEthernet MACs on Amazon-SE and Danube cannot do padding of the packets\nin hardware, so software padding must be applied."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: ethernet: lantiq_etop: fix memory breach Al aplicar relleno, el b\u00fafer no se pone a cero, lo que da como resultado la divulgaci\u00f3n de memoria. Los datos mencionados se observan en el cable. Este parche usa skb_put_padto() para rellenar los marcos Ethernet correctamente. La funci\u00f3n mencionada pone a cero el b\u00fafer expandido. En caso de que el paquete no se pueda rellenar, se descarta silenciosamente. Las estad\u00edsticas tampoco se incrementan. Este controlador no admite estad\u00edsticas en el antiguo formato de 32 bits ni en el nuevo formato de 64 bits. Estos se agregar\u00e1n en el futuro. En su forma actual, el parche deber\u00eda poder retroportarse f\u00e1cilmente a versiones estables. Las MAC de Ethernet en Amazon-SE y Danube no pueden realizar relleno de los paquetes en hardware, por lo que se debe aplicar relleno de software."}], "id": "CVE-2024-49997", "lastModified": "2026-10-15T01:19:03.563", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-49997", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-10-22T13:30:28.688552Z", "version": "2.0.3"}}]}, "published": "2024-10-21T18:15:19.837", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1097bf16501ed5e35358d848b0a94ad2830b0f65"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/185df159843d30fb71f821e7ea4368c2a3bfcd36"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2bf4c101d7c99483b8b15a0c8f881e3f399f7e18"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/431b122933b197820d319eb3987a67d04346ce9e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/45c0de18ff2dc9af01236380404bbd6a46502c69"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/469856f76f4802c5d7e3d20e343185188de1e2db"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/60c068444c20bf9a3e22b65b5f6f3d9edc852931"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/905f06a34f960676e7dc77bea00f2f8fe18177ad"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e66e38d07b31e177ca430758ed97fbc79f27d966"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-355557.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-398330.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-212"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: net: ethernet: lantiq_etop: fix memory disclosure", "id": "2320523", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2320523"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-212", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet: ethernet: lantiq_etop: fix memory disclosure\nWhen applying padding, the buffer is not zeroed, which results in memory\ndisclosure. The mentioned data is observed on the wire. This patch uses\nskb_put_padto() to pad Ethernet frames properly. The mentioned function\nzeroes the expanded buffer.\nIn case the packet cannot be padded it is silently dropped. Statistics\nare also not incremented. This driver does not support statistics in the\nold 32-bit format or the new 64-bit format. These will be added in the\nfuture. In its current form, the patch should be easily backported to\nstable versions.\nEthernet MACs on Amazon-SE and Danube cannot do padding of the packets\nin hardware, so software padding must be applied."], "name": "CVE-2024-49997", "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:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-10-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-49997\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-49997\nhttps://lore.kernel.org/linux-cve-announce/2024102138-CVE-2024-49997-0d01@gregkh/T"], "threat_severity": "Moderate"}

{}