CVE-2025-40207 (GCVE-0-2025-40207)

Vulnerability from cvelistv5 – Published: 2025-11-12 21:56 – Updated: 2025-12-01 06:20
VLAI?
Summary
In the Linux kernel, the following vulnerability has been resolved: media: v4l2-subdev: Fix alloc failure check in v4l2_subdev_call_state_try() v4l2_subdev_call_state_try() macro allocates a subdev state with __v4l2_subdev_state_alloc(), but does not check the returned value. If __v4l2_subdev_state_alloc fails, it returns an ERR_PTR, and that would cause v4l2_subdev_call_state_try() to crash. Add proper error handling to v4l2_subdev_call_state_try().
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 982c0487185bd466059ff618f398a8d074ddb654 , < 5b0057459cdc243ffb35617603142dcace09c711 (git)
Affected: 982c0487185bd466059ff618f398a8d074ddb654 , < ed30811fbed40751deb952bde534aa2632dc0bf7 (git)
Affected: 982c0487185bd466059ff618f398a8d074ddb654 , < 94e6336dc1f06a06f5b4cd04d4a012bba34f2857 (git)
Affected: 982c0487185bd466059ff618f398a8d074ddb654 , < a553530b3314a0bdc98cf114cdbe204551a70a00 (git)
Affected: 982c0487185bd466059ff618f398a8d074ddb654 , < f37df9a0eb5e43fcfe02cbaef076123dc0d79c7e (git)
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    Linux Linux Affected: 6.0
Unaffected: 0 , < 6.0 (semver)
Unaffected: 6.1.157 , ≤ 6.1.* (semver)
Unaffected: 6.6.113 , ≤ 6.6.* (semver)
Unaffected: 6.12.54 , ≤ 6.12.* (semver)
Unaffected: 6.17.4 , ≤ 6.17.* (semver)
Unaffected: 6.18 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "include/media/v4l2-subdev.h"
          ],
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          "vendor": "Linux",
          "versions": [
            {
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              "version": "6.0"
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              "versionType": "semver"
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              "version": "6.1.157",
              "versionType": "semver"
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              "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:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.157",
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                  "vulnerable": true
                },
                {
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                },
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              "negate": false,
              "operator": "OR"
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: v4l2-subdev: Fix alloc failure check in v4l2_subdev_call_state_try()\n\nv4l2_subdev_call_state_try() macro allocates a subdev state with\n__v4l2_subdev_state_alloc(), but does not check the returned value. If\n__v4l2_subdev_state_alloc fails, it returns an ERR_PTR, and that would\ncause v4l2_subdev_call_state_try() to crash.\n\nAdd proper error handling to v4l2_subdev_call_state_try()."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-01T06:20:11.419Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/5b0057459cdc243ffb35617603142dcace09c711"
        },
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          "url": "https://git.kernel.org/stable/c/ed30811fbed40751deb952bde534aa2632dc0bf7"
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          "url": "https://git.kernel.org/stable/c/a553530b3314a0bdc98cf114cdbe204551a70a00"
        },
        {
          "url": "https://git.kernel.org/stable/c/f37df9a0eb5e43fcfe02cbaef076123dc0d79c7e"
        }
      ],
      "title": "media: v4l2-subdev: Fix alloc failure check in v4l2_subdev_call_state_try()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-40207",
    "datePublished": "2025-11-12T21:56:35.988Z",
    "dateReserved": "2025-04-16T07:20:57.179Z",
    "dateUpdated": "2025-12-01T06:20:11.419Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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