{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/iio/adc/ad4030.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "6b0cc4e32599f59c994a60743f53fc72cb2979f4",
              "status": "affected",
              "version": "949abd1ca5a4342d9fb8c774035222e65dd1cfe4",
              "versionType": "git"
            },
            {
              "lessThan": "6ca6dcbaa68c5e6dc4df171a32c5822e1a4c66c1",
              "status": "affected",
              "version": "949abd1ca5a4342d9fb8c774035222e65dd1cfe4",
              "versionType": "git"
            },
            {
              "lessThan": "d615210564205993e8f0e7ccb57cc2e66b7d5706",
              "status": "affected",
              "version": "949abd1ca5a4342d9fb8c774035222e65dd1cfe4",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/iio/adc/ad4030.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.15"
            },
            {
              "lessThan": "6.15",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.56",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.56",
                  "versionStartIncluding": "6.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2.10",
                  "versionStartIncluding": "6.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.3",
                  "versionStartIncluding": "6.15",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: adc: ad4030: fix invalid oversampling_ratio validation\n\nIn ad4030_set_avg_frame_len(), the logarithm is calculated before input\nvalidation. Passing zero or negative values leads to an undefined result\nfrom ilog2().\n\nValidate that the input is strictly positive prior to computing its\nlogarithm."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-19T09:23:47.783Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/6b0cc4e32599f59c994a60743f53fc72cb2979f4"
        },
        {
          "url": "https://git.kernel.org/stable/c/6ca6dcbaa68c5e6dc4df171a32c5822e1a4c66c1"
        },
        {
          "url": "https://git.kernel.org/stable/c/d615210564205993e8f0e7ccb57cc2e66b7d5706"
        }
      ],
      "title": "iio: adc: ad4030: fix invalid oversampling_ratio validation",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-98678",
    "datePublished": "2026-10-18T15:45:35.605Z",
    "dateReserved": "2026-09-25T10:25:14.363Z",
    "dateUpdated": "2026-10-19T09:23:47.783Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}