{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "0cfcdd1ebcfe1a9b262f6ad8419580720dc843c4"
            },
            {
              "fixed": "72ef3ce80078199bfad32f98d055f44ba7cd0c3d"
            },
            {
              "fixed": "3d965811be78473654e6e8cc8e4fb7b6b87aa6c1"
            },
            {
              "fixed": "f92558bbe78d6284fedd053900f82a70f0aa8707"
            },
            {
              "fixed": "5fd91dd4a143479b0575fb1f202ec1c501e71fd5"
            },
            {
              "fixed": "f8d7e5751267637190eff887c971d5b468106213"
            },
            {
              "fixed": "6b69f2ef10cdb018c0b127a7cab88e590bbddba4"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.18.0"
            },
            {
              "fixed": "6.1.183"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.152"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.104"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.45"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74603.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nptp: ocp: Fix board ID over-read\n\nThe EEPROM board ID is a fixed 13-byte field and is not guaranteed to\ncontain a NUL terminator. Passing it directly to\ndevlink_info_version_fixed_put() treats it as a C string and may read\nbeyond the field.\n\nFormat at most OCP_BOARD_ID_LEN bytes into the existing local buffer\nbefore reporting the ID. Use a precision limit because the snprintf()\noutput size alone does not bound the source string scan.",
  "id": "CVE-2026-74603",
  "modified": "2026-08-27T11:30:38.002278972Z",
  "published": "2026-08-22T15:31:51.544Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3d965811be78473654e6e8cc8e4fb7b6b87aa6c1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5fd91dd4a143479b0575fb1f202ec1c501e71fd5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6b69f2ef10cdb018c0b127a7cab88e590bbddba4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/72ef3ce80078199bfad32f98d055f44ba7cd0c3d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f8d7e5751267637190eff887c971d5b468106213"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f92558bbe78d6284fedd053900f82a70f0aa8707"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74603.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-74603"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "ptp: ocp: Fix board ID over-read"
}