CVE-2021-47513 net: dsa: felix: Fix memory leak in felix_setup_mmio_filtering

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/dsa/ocelot/felix.c"
    ],
    "versions": [
      {
        "version": "8d5f7954b7c8de54902a8beda141064a7e2e6ee0",
        "lessThan": "973a0373e88cc19129bd6ef0ec193040535397d9",
        "status": "affected",
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        "status": "affected",
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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/net/dsa/ocelot/felix.c"
    ],
    "versions": [
      {
        "version": "5.15",
        "status": "affected"
      },
      {
        "version": "0",
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        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.8",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.16",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]