CVE-2026-64474 vfio: prevent infinite loop in vfio_mig_get_next_state() on blocked arc

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/vfio/vfio_main.c"
    ],
    "versions": [
      {
        "version": "4db52602a6074e9cc523500b8304600ff63e7b85",
        "lessThan": "8e872c07e40d51a66dee7b280a23a460a2e1e3fa",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4db52602a6074e9cc523500b8304600ff63e7b85",
        "lessThan": "ed7d5599e6c398da74845767cd1e6a8370a160fc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4db52602a6074e9cc523500b8304600ff63e7b85",
        "lessThan": "7f2d6b31089e48db4653df832c9a6afdde9a1c29",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4db52602a6074e9cc523500b8304600ff63e7b85",
        "lessThan": "a3a8afa2f6e7f0dc266d08f02be3f3054241ba47",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4db52602a6074e9cc523500b8304600ff63e7b85",
        "lessThan": "a26b499b757cfc8bbff1088bb1b844639e250893",
        "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/vfio/vfio_main.c"
    ],
    "versions": [
      {
        "version": "6.2",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.2",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.145",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.96",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.39",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.4",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]