FKIE_CVE-2025-40221

Vulnerability from fkie_nvd - Published: 2025-12-04 15:15 - Updated: 2026-06-17 09:21
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
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b792eba44494b4e6ab5006013335f9819f303b8b
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b7f82da7f86479cb6479a76ebe213ece7c77398f
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c0d3f6969bb4d72476cfe7ea9263831f1c283704
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "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",
              "status": "affected",
              "version": "0ab13674a9bd10514486cf1670d71dbd8afec421",
              "versionType": "git"
            },
            {
              "lessThan": "c0d3f6969bb4d72476cfe7ea9263831f1c283704",
              "status": "affected",
              "version": "0ab13674a9bd10514486cf1670d71dbd8afec421",
              "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"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "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."
    }
  ],
  "id": "CVE-2025-40221",
  "lastModified": "2026-06-17T09:21:28.910",
  "metrics": {},
  "published": "2025-12-04T15:15:58.200",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "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"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Deferred"
}


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