{
  "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-2021-47499",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-47499",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2024-05-24T15:01:42.684Z",
    "updatedAt": "2026-05-11T13:55:49.902Z",
    "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": "iio: accel: kxcjk-1013: Fix possible memory leak in probe and remove",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: accel: kxcjk-1013: Fix possible memory leak in probe and remove\n\nWhen ACPI type is ACPI_SMO8500, the data->dready_trig will not be set, the\nmemory allocated by iio_triggered_buffer_setup() will not be freed, and cause\nmemory leak as follows:\n\nunreferenced object 0xffff888009551400 (size 512):\n  comm \"i2c-SMO8500-125\", pid 911, jiffies 4294911787 (age 83.852s)\n  hex dump (first 32 bytes):\n    02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n    00 00 00 00 00 00 00 00 20 e2 e5 c0 ff ff ff ff  ........ .......\n  backtrace:\n    [<0000000041ce75ee>] kmem_cache_alloc_trace+0x16d/0x360\n    [<000000000aeb17b0>] iio_kfifo_allocate+0x41/0x130 [kfifo_buf]\n    [<000000004b40c1f5>] iio_triggered_buffer_setup_ext+0x2c/0x210 [industrialio_triggered_buffer]\n    [<000000004375b15f>] kxcjk1013_probe+0x10c3/0x1d81 [kxcjk_1013]\n\nFix it by remove data->dready_trig condition in probe and remove.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "a25691c1f9674090fb66586cf4c5d60d3efdf339",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8c1d43f3a3fc7184c42d7398bdf59a2a2903e4fc"
            },
            {
              "version": "a25691c1f9674090fb66586cf4c5d60d3efdf339",
              "status": "affected",
              "versionType": "git",
              "lessThan": "60a55b9d91ba99eb8cf015bc46dc2de05e168a15"
            },
            {
              "version": "a25691c1f9674090fb66586cf4c5d60d3efdf339",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3899700ddacbf7aaafadf44464fff3ff0d4e3307"
            },
            {
              "version": "a25691c1f9674090fb66586cf4c5d60d3efdf339",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a3730f74159ad00a28960c0efe2a931fe6fe6b45"
            },
            {
              "version": "a25691c1f9674090fb66586cf4c5d60d3efdf339",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8c163a14277115ca962103910ab4cce55e862ffb"
            },
            {
              "version": "a25691c1f9674090fb66586cf4c5d60d3efdf339",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ee86d0bad80bdcd11a87e188a596727f41b62320"
            },
            {
              "version": "a25691c1f9674090fb66586cf4c5d60d3efdf339",
              "status": "affected",
              "versionType": "git",
              "lessThan": "14508fe13b1c578b3d2ba574f1d48b351975860c"
            },
            {
              "version": "a25691c1f9674090fb66586cf4c5d60d3efdf339",
              "status": "affected",
              "versionType": "git",
              "lessThan": "70c9774e180d151abaab358108e3510a8e615215"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.2",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.2"
            },
            {
              "version": "4.4.295",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.4.*"
            },
            {
              "version": "4.9.293",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.9.*"
            },
            {
              "version": "4.14.258",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.221",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.165",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "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": "*"
            }
          ]
        }
      ]
    }
  }
}