CVE-2026-68449 ata: sata_dwc_460ex: fix infinite loop in NCQ tag completion bit-scanning

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/ata/sata_dwc_460ex.c"
    ],
    "versions": [
      {
        "version": "62936009f35a6659cc3ebe0d90c754182d60da73",
        "lessThan": "4c6e64cae2b2dab32ad9099faa339f6a72c0ce16",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "62936009f35a6659cc3ebe0d90c754182d60da73",
        "lessThan": "8c5de0d8ab6824cfdadcbbe1be4c6c9d9f4c1f80",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "62936009f35a6659cc3ebe0d90c754182d60da73",
        "lessThan": "1842d45f461a78988254631893329bdf4596e954",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "62936009f35a6659cc3ebe0d90c754182d60da73",
        "lessThan": "29b916d3556bd12a95be7c56ca391b8cd572f8be",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "62936009f35a6659cc3ebe0d90c754182d60da73",
        "lessThan": "c2130f6553f4a5cbdc259de069600117a995f197",
        "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/ata/sata_dwc_460ex.c"
    ],
    "versions": [
      {
        "version": "2.6.36",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.36",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.148",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.101",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.42",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.6",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc4",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]