CVE-2026-68203 (GCVE-0-2026-68203)

Vulnerability from cvelistv5 – Published: 2026-08-10 12:00 – Updated: 2026-08-17 05:00
VLAI
Title
media: vivid: fix cleanup bugs in vivid_init()
Summary
In the Linux kernel, the following vulnerability has been resolved: media: vivid: fix cleanup bugs in vivid_init() When platform_device_register() fails in vivid_init(), the embedded struct device in vivid_pdev has already been initialized by device_initialize(), but the failure path jumps to free_output_strings without dropping the device reference for the current platform device: vivid_init() -> platform_device_register(&vivid_pdev) -> device_initialize(&vivid_pdev.dev) -> setup_pdev_dma_masks(&vivid_pdev) -> platform_device_add(&vivid_pdev) This leads to a reference leak when platform_device_register() fails. Fix this by calling platform_device_put() before jumping to the common cleanup path. Also, the unreg_driver label incorrectly calls platform_driver_register() instead of platform_driver_unregister(), which breaks cleanup when workqueue creation fails after successful driver registration. Fix that as well. The reference leak was identified by a static analysis tool I developed and confirmed by manual review. The incorrect cleanup call was found during code inspection.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: f46d740fb0258982f00ffdbddc6486e674edafb5 , < 4385092a86b94e1f332db35a3766108978c0722f (git)
Affected: f46d740fb0258982f00ffdbddc6486e674edafb5 , < 1349af7f87df57940619f5b87990b799dac9ed8a (git)
Affected: f46d740fb0258982f00ffdbddc6486e674edafb5 , < 6d51ad8f1c50c50d1abcc97fd243179967184c6a (git)
Affected: f46d740fb0258982f00ffdbddc6486e674edafb5 , < a07c179a92e949172ca52f6d4a13202ea88cd4b7 (git)
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Linux Linux Affected: 4.1
Unaffected: 0 , < 4.1 (semver)
Unaffected: 6.12.101 , ≤ 6.12.* (semver)
Unaffected: 6.18.42 , ≤ 6.18.* (semver)
Unaffected: 7.1.6 , ≤ 7.1.* (semver)
Unaffected: 7.2 , ≤ * (original_commit_for_fix)
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{
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      "affected": [
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          "product": "Linux",
          "programFiles": [
            "drivers/media/test-drivers/vivid/vivid-core.c"
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      "cpeApplicability": [
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          "nodes": [
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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: vivid: fix cleanup bugs in vivid_init()\n\nWhen platform_device_register() fails in vivid_init(), the embedded\nstruct device in vivid_pdev has already been initialized by\ndevice_initialize(), but the failure path jumps to free_output_strings\nwithout dropping the device reference for the current platform device:\n\n  vivid_init()\n    -\u003e platform_device_register(\u0026vivid_pdev)\n       -\u003e device_initialize(\u0026vivid_pdev.dev)\n       -\u003e setup_pdev_dma_masks(\u0026vivid_pdev)\n       -\u003e platform_device_add(\u0026vivid_pdev)\n\nThis leads to a reference leak when platform_device_register() fails.\nFix this by calling platform_device_put() before jumping to the common\ncleanup path.\n\nAlso, the unreg_driver label incorrectly calls\nplatform_driver_register() instead of platform_driver_unregister(),\nwhich breaks cleanup when workqueue creation fails after successful\ndriver registration. Fix that as well.\n\nThe reference leak was identified by a static analysis tool I developed\nand confirmed by manual review. The incorrect cleanup call was found\nduring code inspection."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-17T05:00:47.012Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/4385092a86b94e1f332db35a3766108978c0722f"
        },
        {
          "url": "https://git.kernel.org/stable/c/1349af7f87df57940619f5b87990b799dac9ed8a"
        },
        {
          "url": "https://git.kernel.org/stable/c/6d51ad8f1c50c50d1abcc97fd243179967184c6a"
        },
        {
          "url": "https://git.kernel.org/stable/c/a07c179a92e949172ca52f6d4a13202ea88cd4b7"
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      ],
      "title": "media: vivid: fix cleanup bugs in vivid_init()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-68203",
    "datePublished": "2026-08-10T12:00:22.319Z",
    "dateReserved": "2026-07-30T09:28:09.374Z",
    "dateUpdated": "2026-08-17T05:00:47.012Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
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    "epss": {
      "cve": "CVE-2026-68203",
      "date": "2026-08-20",
      "epss": "0.00209",
      "percentile": "0.11335"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-68203\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-08-10T13:20:07.897\",\"lastModified\":\"2026-08-17T05:18:22.300\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmedia: vivid: fix cleanup bugs in vivid_init()\\n\\nWhen platform_device_register() fails in vivid_init(), the embedded\\nstruct device in vivid_pdev has already been initialized by\\ndevice_initialize(), but the failure path jumps to free_output_strings\\nwithout dropping the device reference for the current platform device:\\n\\n  vivid_init()\\n    -\u003e platform_device_register(\u0026vivid_pdev)\\n       -\u003e device_initialize(\u0026vivid_pdev.dev)\\n       -\u003e setup_pdev_dma_masks(\u0026vivid_pdev)\\n       -\u003e platform_device_add(\u0026vivid_pdev)\\n\\nThis leads to a reference leak when platform_device_register() fails.\\nFix this by calling platform_device_put() before jumping to the common\\ncleanup path.\\n\\nAlso, the unreg_driver label incorrectly calls\\nplatform_driver_register() instead of platform_driver_unregister(),\\nwhich breaks cleanup when workqueue creation fails after successful\\ndriver registration. Fix that as well.\\n\\nThe reference leak was identified by a static analysis tool I developed\\nand confirmed by manual review. The incorrect cleanup call was found\\nduring code inspection.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/media/test-drivers/vivid/vivid-core.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"f46d740fb0258982f00ffdbddc6486e674edafb5\",\"lessThan\":\"4385092a86b94e1f332db35a3766108978c0722f\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"f46d740fb0258982f00ffdbddc6486e674edafb5\",\"lessThan\":\"1349af7f87df57940619f5b87990b799dac9ed8a\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"f46d740fb0258982f00ffdbddc6486e674edafb5\",\"lessThan\":\"6d51ad8f1c50c50d1abcc97fd243179967184c6a\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"f46d740fb0258982f00ffdbddc6486e674edafb5\",\"lessThan\":\"a07c179a92e949172ca52f6d4a13202ea88cd4b7\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/media/test-drivers/vivid/vivid-core.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"4.1\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"4.1\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.101\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.18.42\",\"lessThanOrEqual\":\"6.18.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.1.6\",\"lessThanOrEqual\":\"7.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.2\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1349af7f87df57940619f5b87990b799dac9ed8a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/4385092a86b94e1f332db35a3766108978c0722f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/6d51ad8f1c50c50d1abcc97fd243179967184c6a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a07c179a92e949172ca52f6d4a13202ea88cd4b7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}",
    "redhat_vex": {
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      "current_release_date": "2026-08-11T18:51:19+00:00",
      "cve": "CVE-2026-68203",
      "id": "CVE-2026-68203",
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      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: media: vivid: fix cleanup bugs in vivid_init()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-68203.json",
      "version": "3"
    },
    "suse_vex": {
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      "current_release_date": "2026-08-14T00:53:31Z",
      "cve": "CVE-2026-68203",
      "id": "CVE-2026-68203",
      "initial_release_date": "2026-08-13T16:23:09Z",
      "product_status:known_affected": "275",
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      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-68203",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-68203.json",
      "version": "3"
    }
  }
}



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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.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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