CVE-2026-64475 vfio/pci: Release the VGA arbiter client on register_device() failure

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/vfio/pci/vfio_pci_core.c"
    ],
    "versions": [
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      {
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    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/vfio/pci/vfio_pci_core.c"
    ],
    "versions": [
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      },
      {
        "version": "0",
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      },
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      {
        "version": "5.15.212",
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      },
      {
        "version": "6.1.178",
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      },
      {
        "version": "6.6.145",
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      },
      {
        "version": "6.12.96",
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      },
      {
        "version": "6.18.39",
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      },
      {
        "version": "7.1.4",
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      },
      {
        "version": "7.2-rc2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]