CVE-2025-40221 (GCVE-0-2025-40221)
Vulnerability from cvelistv5
Published
2025-12-04 14:50
Modified
2025-12-04 14:50
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: media: pci: mg4b: fix uninitialized iio scan data Fix potential leak of uninitialized stack data to userspace by ensuring that the `scan` structure is zeroed before use.
References
Impacted products
Vendor Product Version
Linux Linux Version: 0ab13674a9bd10514486cf1670d71dbd8afec421
Version: 0ab13674a9bd10514486cf1670d71dbd8afec421
Version: 0ab13674a9bd10514486cf1670d71dbd8afec421
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/media/pci/mgb4/mgb4_trigger.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "b7f82da7f86479cb6479a76ebe213ece7c77398f",
              "status": "affected",
              "version": "0ab13674a9bd10514486cf1670d71dbd8afec421",
              "versionType": "git"
            },
            {
              "lessThan": "b792eba44494b4e6ab5006013335f9819f303b8b",
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              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/media/pci/mgb4/mgb4_trigger.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.7"
            },
            {
              "lessThan": "6.7",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.54",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.17.*",
              "status": "unaffected",
              "version": "6.17.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.18",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "versionStartIncluding": "6.7",
                  "vulnerable": true
                },
                {
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                  "versionEndExcluding": "6.17.4",
                  "versionStartIncluding": "6.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18",
                  "versionStartIncluding": "6.7",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: pci: mg4b: fix uninitialized iio scan data\n\nFix potential leak of uninitialized stack data to userspace by ensuring\nthat the `scan` structure is zeroed before use."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-04T14:50:45.439Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/b7f82da7f86479cb6479a76ebe213ece7c77398f"
        },
        {
          "url": "https://git.kernel.org/stable/c/b792eba44494b4e6ab5006013335f9819f303b8b"
        },
        {
          "url": "https://git.kernel.org/stable/c/c0d3f6969bb4d72476cfe7ea9263831f1c283704"
        }
      ],
      "title": "media: pci: mg4b: fix uninitialized iio scan data",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-40221",
    "datePublished": "2025-12-04T14:50:45.439Z",
    "dateReserved": "2025-04-16T07:20:57.180Z",
    "dateUpdated": "2025-12-04T14:50:45.439Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-40221\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-12-04T15:15:58.200\",\"lastModified\":\"2025-12-04T17:15:08.283\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmedia: pci: mg4b: fix uninitialized iio scan data\\n\\nFix potential leak of uninitialized stack data to userspace by ensuring\\nthat the `scan` structure is zeroed before use.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/b792eba44494b4e6ab5006013335f9819f303b8b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b7f82da7f86479cb6479a76ebe213ece7c77398f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c0d3f6969bb4d72476cfe7ea9263831f1c283704\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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