{
  "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-2026-63824",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-63824",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-07-19T12:02:20.406Z",
    "updatedAt": "2026-10-19T20:07:48.872Z",
    "importedAt": "2026-10-24T01:58:20.586Z",
    "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": "KEYS: fix overflow in keyctl_pkey_params_get_2()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nKEYS: fix overflow in keyctl_pkey_params_get_2()\n\nThe length for the internal output buffer is calculated incorrectly, which\ncan result overflow when a too small buffer is provided.\n\nFix the bug by allocating internal output with the size of the maximum\nlength of the cryptographic primitive instead of caller provided size.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "00d60fd3b93219ea854220f0fd264b86398cbc53",
              "status": "affected",
              "versionType": "git",
              "lessThan": "622ec2dcd59f21623f2a7ab773c80ceb7d555e3a"
            },
            {
              "version": "00d60fd3b93219ea854220f0fd264b86398cbc53",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b1e247338bc71826a2d2def3e0874c34749df69a"
            },
            {
              "version": "00d60fd3b93219ea854220f0fd264b86398cbc53",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0f3058d7d26f81df9b68a18ddbe164bdc3c5eff3"
            },
            {
              "version": "00d60fd3b93219ea854220f0fd264b86398cbc53",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5966e4e2ba213ab7ad559166152eb4f1f170dd2c"
            },
            {
              "version": "00d60fd3b93219ea854220f0fd264b86398cbc53",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5165f1cc727f1322456735df212d8e26ec237a8d"
            },
            {
              "version": "00d60fd3b93219ea854220f0fd264b86398cbc53",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b11c1fa32667692a2c0566e10163758e786e430c"
            },
            {
              "version": "00d60fd3b93219ea854220f0fd264b86398cbc53",
              "status": "affected",
              "versionType": "git",
              "lessThan": "670fc6a311ed321522b7fff92cf0fc376b4f6e78"
            },
            {
              "version": "00d60fd3b93219ea854220f0fd264b86398cbc53",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cb481e59ea6cae3b7796ac1d7a22b6b24c3f3c0b"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.20",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.20"
            },
            {
              "version": "5.10.260",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.211",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.177",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.144",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.95",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.38",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.1.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.1.*"
            },
            {
              "version": "7.2",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}