CVE-2026-46241 spi: mpc52xx: fix use-after-free on registration failure

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/spi/spi-mpc52xx.c"
    ],
    "versions": [
      {
        "version": "42bbb70980f3720b0ae6da6af862af0e95a04351",
        "lessThan": "8b49b6aadd0c622ca7d68b4a53ae10362e221cf3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "42bbb70980f3720b0ae6da6af862af0e95a04351",
        "lessThan": "336d9ad7560b3baba17af06727a888040ee93390",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "42bbb70980f3720b0ae6da6af862af0e95a04351",
        "lessThan": "5c77f11b9b5f1ad5a704dad875260c44016ede10",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "42bbb70980f3720b0ae6da6af862af0e95a04351",
        "lessThan": "f62c060272b9d7423b1650b844e8e4e7b8f9f925",
        "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/spi/spi-mpc52xx.c"
    ],
    "versions": [
      {
        "version": "2.6.33",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.33",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.90",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.32",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.9",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]