{
  "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-2021-47413",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-47413",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2024-05-21T15:04:04.060Z",
    "updatedAt": "2026-05-11T13:54:13.468Z",
    "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": "usb: chipidea: ci_hdrc_imx: Also search for 'phys' phandle",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: chipidea: ci_hdrc_imx: Also search for 'phys' phandle\n\nWhen passing 'phys' in the devicetree to describe the USB PHY phandle\n(which is the recommended way according to\nDocumentation/devicetree/bindings/usb/ci-hdrc-usb2.txt) the\nfollowing NULL pointer dereference is observed on i.MX7 and i.MX8MM:\n\n[    1.489344] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000098\n[    1.498170] Mem abort info:\n[    1.500966]   ESR = 0x96000044\n[    1.504030]   EC = 0x25: DABT (current EL), IL = 32 bits\n[    1.509356]   SET = 0, FnV = 0\n[    1.512416]   EA = 0, S1PTW = 0\n[    1.515569]   FSC = 0x04: level 0 translation fault\n[    1.520458] Data abort info:\n[    1.523349]   ISV = 0, ISS = 0x00000044\n[    1.527196]   CM = 0, WnR = 1\n[    1.530176] [0000000000000098] user address but active_mm is swapper\n[    1.536544] Internal error: Oops: 96000044 [#1] PREEMPT SMP\n[    1.542125] Modules linked in:\n[    1.545190] CPU: 3 PID: 7 Comm: kworker/u8:0 Not tainted 5.14.0-dirty #3\n[    1.551901] Hardware name: Kontron i.MX8MM N801X S (DT)\n[    1.557133] Workqueue: events_unbound deferred_probe_work_func\n[    1.562984] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--)\n[    1.568998] pc : imx7d_charger_detection+0x3f0/0x510\n[    1.573973] lr : imx7d_charger_detection+0x22c/0x510\n\nThis happens because the charger functions check for the phy presence\ninside the imx_usbmisc_data structure (data->usb_phy), but the chipidea\ncore populates the usb_phy passed via 'phys' inside 'struct ci_hdrc'\n(ci->usb_phy) instead.\n\nThis causes the NULL pointer dereference inside imx7d_charger_detection().\n\nFix it by also searching for 'phys' in case 'fsl,usbphy' is not found.\n\nTested on a imx7s-warp board.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "746f316b753a83e366bfc5f936cbf0d72d1c2d1d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b3265b88e83b16c7be762fa5fb7e0632bce0002c"
            },
            {
              "version": "746f316b753a83e366bfc5f936cbf0d72d1c2d1d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "66dd03b10e1c0b2fae006c6e34c18ea8ee033e7b"
            },
            {
              "version": "746f316b753a83e366bfc5f936cbf0d72d1c2d1d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8253a34bfae3278baca52fc1209b7c29270486ca"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.8",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.8"
            },
            {
              "version": "5.10.73",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.14.12",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.14.*"
            },
            {
              "version": "5.15",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}