{
  "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-2023-53166",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-53166",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-09-15T14:03:55.131Z",
    "updatedAt": "2026-05-11T19:39:32.976Z",
    "importedAt": "2026-10-24T01:57:03.413Z",
    "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": "power: supply: bq25890: Fix external_power_changed race",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: bq25890: Fix external_power_changed race\n\nbq25890_charger_external_power_changed() dereferences bq->charger,\nwhich gets sets in bq25890_power_supply_init() like this:\n\n  bq->charger = devm_power_supply_register(bq->dev, &bq->desc, &psy_cfg);\n\nAs soon as devm_power_supply_register() has called device_add()\nthe external_power_changed callback can get called. So there is a window\nwhere bq25890_charger_external_power_changed() may get called while\nbq->charger has not been set yet leading to a NULL pointer dereference.\n\nThis race hits during boot sometimes on a Lenovo Yoga Book 1 yb1-x90f\nwhen the cht_wcove_pwrsrc (extcon) power_supply is done with detecting\nthe connected charger-type which happens to exactly hit the small window:\n\n  BUG: kernel NULL pointer dereference, address: 0000000000000018\n  <snip>\n  RIP: 0010:__power_supply_is_supplied_by+0xb/0xb0\n  <snip>\n  Call Trace:\n   <TASK>\n   __power_supply_get_supplier_property+0x19/0x50\n   class_for_each_device+0xb1/0xe0\n   power_supply_get_property_from_supplier+0x2e/0x50\n   bq25890_charger_external_power_changed+0x38/0x1b0 [bq25890_charger]\n   __power_supply_changed_work+0x30/0x40\n   class_for_each_device+0xb1/0xe0\n   power_supply_changed_work+0x5f/0xe0\n  <snip>\n\nFixing this is easy. The external_power_changed callback gets passed\nthe power_supply which will eventually get stored in bq->charger,\nso bq25890_charger_external_power_changed() can simply directly use\nthe passed in psy argument which is always valid.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "eab25b4f93aa771728127705eb4b235a3b5aad94",
              "status": "affected",
              "versionType": "git",
              "lessThan": "72c28207c19c2c46fab8ae994aff25e197fb2949"
            },
            {
              "version": "eab25b4f93aa771728127705eb4b235a3b5aad94",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9d20fa1982c35697f3f8c4ae0f12791691ae5958"
            },
            {
              "version": "eab25b4f93aa771728127705eb4b235a3b5aad94",
              "status": "affected",
              "versionType": "git",
              "lessThan": "029a443b9b6424170f00f6dd5b7682e682cce92e"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.18",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.18"
            },
            {
              "version": "6.1.31",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.3.5",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.3.*"
            },
            {
              "version": "6.4",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}