CVE-2025-40207 (GCVE-0-2025-40207)
Vulnerability from cvelistv5
Published
2025-11-12 21:56
Modified
2025-11-12 21:56
Severity ?
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().
References
Impacted products
Vendor Product Version
Linux Linux Version: 982c0487185bd466059ff618f398a8d074ddb654
Version: 982c0487185bd466059ff618f398a8d074ddb654
Version: 982c0487185bd466059ff618f398a8d074ddb654
Version: 982c0487185bd466059ff618f398a8d074ddb654
Version: 982c0487185bd466059ff618f398a8d074ddb654
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{
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        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "include/media/v4l2-subdev.h"
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      "cpeApplicability": [
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          "nodes": [
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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()."
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      "providerMetadata": {
        "dateUpdated": "2025-11-12T21:56:35.988Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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          "url": "https://git.kernel.org/stable/c/5b0057459cdc243ffb35617603142dcace09c711"
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        {
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      ],
      "title": "media: v4l2-subdev: Fix alloc failure check in v4l2_subdev_call_state_try()",
      "x_generator": {
        "engine": "bippy-1.2.0"
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-40207",
    "datePublished": "2025-11-12T21:56:35.988Z",
    "dateReserved": "2025-04-16T07:20:57.179Z",
    "dateUpdated": "2025-11-12T21:56:35.988Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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  }
}


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