{
  "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-2022-49821",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-49821",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-05-01T14:09:42.901Z",
    "updatedAt": "2026-05-11T19:07:25.318Z",
    "importedAt": "2026-10-24T01:56:49.724Z",
    "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": "mISDN: fix possible memory leak in mISDN_dsp_element_register()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nmISDN: fix possible memory leak in mISDN_dsp_element_register()\n\nAfer commit 1fa5ae857bb1 (\"driver core: get rid of struct device's\nbus_id string array\"), the name of device is allocated dynamically,\nuse put_device() to give up the reference, so that the name can be\nfreed in kobject_cleanup() when the refcount is 0.\n\nThe 'entry' is going to be freed in mISDN_dsp_dev_release(), so the\nkfree() is removed. list_del() is called in mISDN_dsp_dev_release(),\nso it need be initialized.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "1fa5ae857bb14f6046205171d98506d8112dd74e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "bbd53d05c4c892080ef3b617eff4f57903acecb9"
            },
            {
              "version": "1fa5ae857bb14f6046205171d98506d8112dd74e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b119bedbefb7dd9ed8bf8cb9f1056504250d610e"
            },
            {
              "version": "1fa5ae857bb14f6046205171d98506d8112dd74e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "727ed7d28348c026c7ef4d852f3d0e5054d376e8"
            },
            {
              "version": "1fa5ae857bb14f6046205171d98506d8112dd74e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0f2c681900a01e3f23789bca26d88268c3d5b51d"
            },
            {
              "version": "1fa5ae857bb14f6046205171d98506d8112dd74e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "083a2c9ef82e184bdf0b9f9a1e5fc38d32afbb47"
            },
            {
              "version": "1fa5ae857bb14f6046205171d98506d8112dd74e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7a05e3929668c8cfef495c69752a9e91fac4878f"
            },
            {
              "version": "1fa5ae857bb14f6046205171d98506d8112dd74e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d4b8394725079670be309f9a35ad88a8cbbaaefd"
            },
            {
              "version": "1fa5ae857bb14f6046205171d98506d8112dd74e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "98a2ac1ca8fd6eca6867726fe238d06e75eb1acd"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.30",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.30"
            },
            {
              "version": "4.9.334",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.9.*"
            },
            {
              "version": "4.14.300",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.267",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.225",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.156",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.80",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.0.10",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.0.*"
            },
            {
              "version": "6.1",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}