FKIE_CVE-2025-40217

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: pidfs: validate extensible ioctls Validate extensible ioctls stricter than we do now.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3c17001b21b9f168c957ced9384abe969019b609
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bf0fbf5e8b0aff8a4a0fb35e32b10083baa83c04
Impacted products
Vendor Product Version
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{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/pidfs.c",
            "include/linux/fs.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "bf0fbf5e8b0aff8a4a0fb35e32b10083baa83c04",
              "status": "affected",
              "version": "5b08bd408534bfb3a7cf5778da5b27d4e4fffe12",
              "versionType": "git"
            },
            {
              "lessThan": "3c17001b21b9f168c957ced9384abe969019b609",
              "status": "affected",
              "version": "5b08bd408534bfb3a7cf5778da5b27d4e4fffe12",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/pidfs.c",
            "include/linux/fs.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.11"
            },
            {
              "lessThan": "6.11",
              "status": "unaffected",
              "version": "0",
              "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\npidfs: validate extensible ioctls\n\nValidate extensible ioctls stricter than we do now."
    }
  ],
  "id": "CVE-2025-40217",
  "lastModified": "2026-06-17T09:21:28.500",
  "metrics": {},
  "published": "2025-12-04T15:15:57.510",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/3c17001b21b9f168c957ced9384abe969019b609"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/bf0fbf5e8b0aff8a4a0fb35e32b10083baa83c04"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Deferred"
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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