{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2021-47502",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-47502",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2024-05-24T15:01:49.699Z",
    "updatedAt": "2026-08-05T08:48:08.082Z",
    "importedAt": "2026-10-24T01:56:36.661Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "ASoC: codecs: wcd934x: handle channel mappping list correctly",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: codecs: wcd934x: handle channel mappping list correctly\n\nCurrently each channel is added as list to dai channel list, however\nthere is danger of adding same channel to multiple dai channel list\nwhich endups corrupting the other list where its already added.\n\nThis patch ensures that the channel is actually free before adding to\nthe dai channel list and also ensures that the channel is on the list\nbefore deleting it.\n\nThis check was missing previously, and we did not hit this issue as\nwe were testing very simple usecases with sequence of amixer commands.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "dd9eb19b567303e4b92747dcfb5deedb182af111",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1089dac26c6b4b833323ae6c0ceab29fb30ede72"
            },
            {
              "version": "dd9eb19b567303e4b92747dcfb5deedb182af111",
              "status": "affected",
              "versionType": "git",
              "lessThan": "339ffb5b56005582aacc860524d2d208604049d1"
            },
            {
              "version": "dd9eb19b567303e4b92747dcfb5deedb182af111",
              "status": "affected",
              "versionType": "git",
              "lessThan": "23ba28616d3063bd4c4953598ed5e439ca891101"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.6",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.6"
            },
            {
              "version": "5.10.85",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.8",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "5.16",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}