CVE-2023-53477 ipv6: Add lwtunnel encap size of all siblings in nexthop calculation

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv6/route.c"
    ],
    "versions": [
      {
        "version": "beb1afac518dec5a15dc92ba8f0ca016dcf457b4",
        "lessThan": "aba298b35619213ca787d08d472049627d8cd012",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "beb1afac518dec5a15dc92ba8f0ca016dcf457b4",
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        "status": "affected",
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      },
      {
        "version": "beb1afac518dec5a15dc92ba8f0ca016dcf457b4",
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      },
      {
        "version": "beb1afac518dec5a15dc92ba8f0ca016dcf457b4",
        "lessThan": "e11e4d524eba2d3c8fdf897d7ce3853f7573bae9",
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      },
      {
        "version": "beb1afac518dec5a15dc92ba8f0ca016dcf457b4",
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      },
      {
        "version": "beb1afac518dec5a15dc92ba8f0ca016dcf457b4",
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    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv6/route.c"
    ],
    "versions": [
      {
        "version": "4.11",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.11",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.235",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.173",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.100",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.18",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.2.5",
        "lessThanOrEqual": "6.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]