CVE-2026-89733 usb: gadget: uvc: fix dangling pointers in uvc_function_bind() and uvc_function_unbind()

[
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    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/usb/gadget/function/f_uvc.c"
    ],
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      {
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    ]
  },
  {
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    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/usb/gadget/function/f_uvc.c"
    ],
    "versions": [
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      {
        "version": "0",
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      {
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      },
      {
        "version": "6.18.50",
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      {
        "version": "7.2.4",
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      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]