CVE-2026-64502 iio: adc: ad_sigma_delta: fix clear_pending_event for registerless devices

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/iio/adc/ad_sigma_delta.c"
    ],
    "versions": [
      {
        "version": "132d44dc6966c1cf841ffe0f6f048165687e870b",
        "lessThan": "3394e0b3328422431cadaf314fa58d3717ed4936",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "132d44dc6966c1cf841ffe0f6f048165687e870b",
        "lessThan": "3bceb26dfaf7ba805b459e41c1d0ba916862dade",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "132d44dc6966c1cf841ffe0f6f048165687e870b",
        "lessThan": "91bc6767a4f55dc470d8a56b55b9f2ea09094efe",
        "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/iio/adc/ad_sigma_delta.c"
    ],
    "versions": [
      {
        "version": "6.14",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.14",
        "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"
      }
    ]
  }
]