CVE-2021-47368 enetc: Fix illegal access when reading affinity_hint

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/ethernet/freescale/enetc/enetc.c"
    ],
    "versions": [
      {
        "version": "d4fd0404c1c95b17880f254ebfee3485693fa8ba",
        "lessThan": "4c4c3052911b577920353a7646e4883d5da40c28",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d4fd0404c1c95b17880f254ebfee3485693fa8ba",
        "lessThan": "6c3f1b741c6c2914ea120e3a5790d3e900152f7b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d4fd0404c1c95b17880f254ebfee3485693fa8ba",
        "lessThan": "6f329d9da2a5ae032fcde800a99b118124ed5270",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d4fd0404c1c95b17880f254ebfee3485693fa8ba",
        "lessThan": "7237a494decfa17d0b9d0076e6cee3235719de90",
        "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/ethernet/freescale/enetc/enetc.c"
    ],
    "versions": [
      {
        "version": "5.1",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.1",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.150",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.70",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.14.9",
        "lessThanOrEqual": "5.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]