CVE-2025-40221

Full vulnerability record from the local CVENow database.

Description

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.

Severity

Not scored

CVSS score

Not available

Vulnerability status

Deferred

Source identifier

416baaa9-dc9f-4396-8d5f-8c081fb06d67

Published

2025-12-04 15:15:58.200000

Last modified

2026-10-19 19:10:00.130000

View original CVE JSON

{
  "id": "CVE-2025-40221",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2025-12-04T15:15:58.200",
  "lastModified": "2026-10-19T19:10:00.130",
  "vulnStatus": "Deferred",
  "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."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nmedia: pci: mg4b: soluciona datos de escaneo iio no inicializados\n\nSoluciona una posible fuga de datos de pila no inicializados al espacio de usuario asegurando que la estructura 'scan' se inicialice a cero antes de su uso."
    }
  ],
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "programFiles": [
            "drivers/media/pci/mgb4/mgb4_trigger.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "0ab13674a9bd10514486cf1670d71dbd8afec421",
              "lessThan": "b7f82da7f86479cb6479a76ebe213ece7c77398f",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "0ab13674a9bd10514486cf1670d71dbd8afec421",
              "lessThan": "b792eba44494b4e6ab5006013335f9819f303b8b",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "0ab13674a9bd10514486cf1670d71dbd8afec421",
              "lessThan": "c0d3f6969bb4d72476cfe7ea9263831f1c283704",
              "versionType": "git",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "programFiles": [
            "drivers/media/pci/mgb4/mgb4_trigger.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "6.7",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "6.7",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.12.54",
              "lessThanOrEqual": "6.12.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.17.4",
              "lessThanOrEqual": "6.17.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.18",
              "lessThanOrEqual": "*",
              "versionType": "original_commit_for_fix",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "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"
    }
  ]
}