CVE-2026-53013 macvlan: fix macvlan_get_size() not reserving space for IFLA_MACVLAN_BC_CUTOFF

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/macvlan.c"
    ],
    "versions": [
      {
        "version": "954d1fa1ac93aa8a66f7d9a9ba545cf7f020d348",
        "lessThan": "4979252758387b338ca968ba7e0515b0ae2257e3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "954d1fa1ac93aa8a66f7d9a9ba545cf7f020d348",
        "lessThan": "77ecfa4e27f282d224215895ddfbeb916fc75e24",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "954d1fa1ac93aa8a66f7d9a9ba545cf7f020d348",
        "lessThan": "b6b7154e9f5d75b608ceb2d05b376de8c638c40e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "954d1fa1ac93aa8a66f7d9a9ba545cf7f020d348",
        "lessThan": "1c004f14ccdc11585625c168bb9a7c5e1b8afb0c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "954d1fa1ac93aa8a66f7d9a9ba545cf7f020d348",
        "lessThan": "fa92a77b0ed4d5f11a71665a232ac5a54a4b055d",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/macvlan.c"
    ],
    "versions": [
      {
        "version": "6.4",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.4",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.141",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.91",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.33",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.10",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]