usbnet: ipheth: fix DPE OoB read

{
  "id": "b9c3af4d75c63238dd698d5c3be10b76bb413bd28fe4aae8217b731d08c4e78b",
  "url": "https://osv.dev/vulnerability/CVE-2025-21741",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "usbnet: ipheth: fix DPE OoB read",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: usbnet: ipheth: fix DPE OoB read Fix an out-of-bounds DPE read, limit the number of processed DPEs to the amount that fits into the fixed-size NDP16 header.",
    "evidence": "osv:CVE-2025-21741",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.6.78",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.12.14",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.13.3",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2025-21741",
      "aliases": [
        "CVE-2025-21741"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                  "introduced": "a2d274c62e44b1995c170595db3865c6fe701226"
                },
                {
                  "fixed": "22475242ddb70e35c9148234be9a3aa9fb8efff9"
                },
                {
                  "fixed": "5835bf66c50ac2b85ed28b282c2456c3516ef0a6"
                },
                {
                  "fixed": "971b8c572559e52d32a2b82f2d9e0685439a0117"
                },
                {
                  "fixed": "ee591f2b281721171896117f9946fced31441418"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-21741.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.5.0"
                },
                {
                  "fixed": "6.6.78"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.12.14"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.13.0"
                },
                {
                  "fixed": "6.13.3"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-21741.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:22.018193627Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/22475242ddb70e35c9148234be9a3aa9fb8efff9",
        "https://git.kernel.org/stable/c/5835bf66c50ac2b85ed28b282c2456c3516ef0a6",
        "https://git.kernel.org/stable/c/971b8c572559e52d32a2b82f2d9e0685439a0117",
        "https://git.kernel.org/stable/c/ee591f2b281721171896117f9946fced31441418",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21741.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-21741",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21741.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-21741",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 487947,
  "published_at": "2025-02-27T02:12:15.715+00:00"
}