{
  "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-2023-53817",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-53817",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-12-09T00:01:15.411Z",
    "updatedAt": "2026-08-05T09:16:11.527Z",
    "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": "crypto: lib/mpi - avoid null pointer deref in mpi_cmp_ui()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: lib/mpi - avoid null pointer deref in mpi_cmp_ui()\n\nDuring NVMeTCP Authentication a controller can trigger a kernel\noops by specifying the 8192 bit Diffie Hellman group and passing\na correctly sized, but zeroed Diffie Hellamn value.\nmpi_cmp_ui() was detecting this if the second parameter was 0,\nbut 1 is passed from dh_is_pubkey_valid(). This causes the null\npointer u->d to be dereferenced towards the end of mpi_cmp_ui()",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "12f008b6dc5ff1c822fdb2198d20e3dbdc92f3f5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "fde791e8a96a64ea7b0ad2440e43586447a209c6"
            },
            {
              "version": "12f008b6dc5ff1c822fdb2198d20e3dbdc92f3f5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ae63e84ffda74267bf7277c38415ba38389229a0"
            },
            {
              "version": "12f008b6dc5ff1c822fdb2198d20e3dbdc92f3f5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "61f5453e9706e99713825594e0c8f9031485fb5f"
            },
            {
              "version": "12f008b6dc5ff1c822fdb2198d20e3dbdc92f3f5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0fc7147c694394f8a8cbc19570c6bc918cac0906"
            },
            {
              "version": "12f008b6dc5ff1c822fdb2198d20e3dbdc92f3f5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "67589d247909043e94d2dd5fb590958e0f99d58d"
            },
            {
              "version": "12f008b6dc5ff1c822fdb2198d20e3dbdc92f3f5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d3ad023a39f1127dcfd331c562673355dc078650"
            },
            {
              "version": "12f008b6dc5ff1c822fdb2198d20e3dbdc92f3f5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "12ac013ad7ff0df066451e825801d805095b3776"
            },
            {
              "version": "12f008b6dc5ff1c822fdb2198d20e3dbdc92f3f5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9e47a758b70167c9301d2b44d2569f86c7796f2d"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "3.7",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "3.7"
            },
            {
              "version": "4.14.326",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.295",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.257",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.197",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.133",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.55",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.5.5",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.5.*"
            },
            {
              "version": "6.6",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}