GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2022-36765 (GCVE-0-2022-36765)

Vulnerability from cvelistv5 – Published: 2024-01-09 16:10 – Updated: 2025-11-03 19:27
VLAI
Title
Integer Overflow in CreateHob
Summary
EDK2 is susceptible to a vulnerability in the CreateHob() function, allowing a user to trigger a integer overflow to buffer overflow via a local network. Successful exploitation of this vulnerability may result in a compromise of confidentiality, integrity, and/or availability.
Severity
7 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-08 15:56 UTC
CWE
  • CWE-680 - Integer Overflow to Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version CPE status
TianoCore edk2 Affected: * , ≤ 202311 (Stable)
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-03T19:27:16.178Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/tianocore/edk2/security/advisories/GHSA-ch4w-v7m3-g8wx"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/"
          },
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/06/msg00007.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2022-36765",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-05-08T15:56:33.385699Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-06-03T14:31:09.112Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "edk2",
          "vendor": "TianoCore",
          "versions": [
            {
              "lessThanOrEqual": "202311",
              "status": "affected",
              "version": "*",
              "versionType": "Stable"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "EDK2 is susceptible to a vulnerability in the CreateHob\u003ccode\u003e()\u003c/code\u003e function, allowing a user to trigger a integer overflow to buffer overflow via a local network. Successful exploitation of this vulnerability may result in a compromise of confidentiality, integrity, and/or availability."
            }
          ],
          "value": "EDK2 is susceptible to a vulnerability in the CreateHob() function, allowing a user to trigger a integer overflow to buffer overflow via a local network. Successful exploitation of this vulnerability may result in a compromise of confidentiality, integrity, and/or availability."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-680",
              "description": "CWE-680: Integer Overflow to Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-03-13T02:06:08.073Z",
        "orgId": "65518388-201a-4f93-8712-366d21fe8d2c",
        "shortName": "TianoCore"
      },
      "references": [
        {
          "url": "https://github.com/tianocore/edk2/security/advisories/GHSA-ch4w-v7m3-g8wx"
        },
        {
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Integer Overflow in CreateHob",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "65518388-201a-4f93-8712-366d21fe8d2c",
    "assignerShortName": "TianoCore",
    "cveId": "CVE-2022-36765",
    "datePublished": "2024-01-09T16:10:16.350Z",
    "dateReserved": "2022-07-25T19:43:11.215Z",
    "dateUpdated": "2025-11-03T19:27:16.178Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2022-36765",
      "date": "2026-09-16",
      "epss": "0.00287",
      "percentile": "0.21315"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:tianocore:edk2:*:*:*:*:*:*:*:*\", \"versionEndIncluding\": \"202311\", \"matchCriteriaId\": \"3CEB3105-57CC-4096-81D3-D58005813C4B\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"\\nEDK2 is susceptible to a vulnerability in the CreateHob() function, allowing a user to trigger a integer overflow to buffer overflow via a local network. Successful exploitation of this vulnerability may result in a compromise of confidentiality, integrity, and/or availability.\\n\\n\"}, {\"lang\": \"es\", \"value\": \"EDK2 es susceptible a una vulnerabilidad en la funci\\u00f3n CreateHob(), lo que permite a un usuario activar un desbordamiento de enteros para desbordar el b\\u00fafer a trav\\u00e9s de una red local. La explotaci\\u00f3n exitosa de esta vulnerabilidad puede resultar en un compromiso de confidencialidad, integridad y/o disponibilidad.\"}]",
      "id": "CVE-2022-36765",
      "lastModified": "2024-11-21T07:13:39.773",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"infosec@edk2.groups.io\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H\", \"baseScore\": 7.0, \"baseSeverity\": \"HIGH\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"CHANGED\", \"confidentialityImpact\": \"LOW\", \"integrityImpact\": \"LOW\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.1, \"impactScore\": 5.3}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 7.8, \"baseSeverity\": \"HIGH\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 5.9}]}",
      "published": "2024-01-09T16:15:43.500",
      "references": "[{\"url\": \"https://github.com/tianocore/edk2/security/advisories/GHSA-ch4w-v7m3-g8wx\", \"source\": \"infosec@edk2.groups.io\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/\", \"source\": \"infosec@edk2.groups.io\"}, {\"url\": \"https://github.com/tianocore/edk2/security/advisories/GHSA-ch4w-v7m3-g8wx\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}]",
      "sourceIdentifier": "infosec@edk2.groups.io",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"infosec@edk2.groups.io\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-680\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-119\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-36765\",\"sourceIdentifier\":\"infosec@edk2.groups.io\",\"published\":\"2024-01-09T16:15:43.500\",\"lastModified\":\"2026-06-17T04:53:56.573\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"EDK2 is susceptible to a vulnerability in the CreateHob() function, allowing a user to trigger a integer overflow to buffer overflow via a local network. Successful exploitation of this vulnerability may result in a compromise of confidentiality, integrity, and/or availability.\"},{\"lang\":\"es\",\"value\":\"EDK2 es susceptible a una vulnerabilidad en la funci\u00f3n CreateHob(), lo que permite a un usuario activar un desbordamiento de enteros para desbordar el b\u00fafer a trav\u00e9s de una red local. La explotaci\u00f3n exitosa de esta vulnerabilidad puede resultar en un compromiso de confidencialidad, integridad y/o disponibilidad.\"}],\"affected\":[{\"source\":\"infosec@edk2.groups.io\",\"affectedData\":[{\"vendor\":\"TianoCore\",\"product\":\"edk2\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"*\",\"lessThanOrEqual\":\"202311\",\"versionType\":\"Stable\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"infosec@edk2.groups.io\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H\",\"baseScore\":7.0,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.1,\"impactScore\":5.3},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2025-05-08T15:56:33.385699Z\",\"id\":\"CVE-2022-36765\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"infosec@edk2.groups.io\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-680\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-119\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:tianocore:edk2:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"202311\",\"matchCriteriaId\":\"3CEB3105-57CC-4096-81D3-D58005813C4B\"}]}]}],\"references\":[{\"url\":\"https://github.com/tianocore/edk2/security/advisories/GHSA-ch4w-v7m3-g8wx\",\"source\":\"infosec@edk2.groups.io\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/\",\"source\":\"infosec@edk2.groups.io\"},{\"url\":\"https://github.com/tianocore/edk2/security/advisories/GHSA-ch4w-v7m3-g8wx\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/06/msg00007.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T10:24:25+00:00",
      "cve": "CVE-2022-36765",
      "id": "CVE-2022-36765",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:fixed": "23",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "EDK2: integer overflow in CreateHob() could lead to HOB OOB R/W",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-36765.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-08-29T02:35:05Z",
      "cve": "CVE-2022-36765",
      "id": "CVE-2022-36765",
      "initial_release_date": "2024-01-11T02:46:30Z",
      "product_status:known_affected": "247",
      "product_status:recommended": "75",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-36765",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-36765.json",
      "version": "38"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://github.com/tianocore/edk2/security/advisories/GHSA-ch4w-v7m3-g8wx\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2025/06/msg00007.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T19:27:16.178Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-36765\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-05-08T15:56:33.385699Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-05-08T15:56:35.055Z\"}}], \"cna\": {\"title\": \"Integer Overflow in CreateHob\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 7, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"HIGH\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"LOW\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"TianoCore\", \"product\": \"edk2\", \"versions\": [{\"status\": \"affected\", \"version\": \"*\", \"versionType\": \"Stable\", \"lessThanOrEqual\": \"202311\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://github.com/tianocore/edk2/security/advisories/GHSA-ch4w-v7m3-g8wx\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/\"}], \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-dev\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"EDK2 is susceptible to a vulnerability in the CreateHob() function, allowing a user to trigger a integer overflow to buffer overflow via a local network. Successful exploitation of this vulnerability may result in a compromise of confidentiality, integrity, and/or availability.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"EDK2 is susceptible to a vulnerability in the CreateHob\u003ccode\u003e()\u003c/code\u003e function, allowing a user to trigger a integer overflow to buffer overflow via a local network. Successful exploitation of this vulnerability may result in a compromise of confidentiality, integrity, and/or availability.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-680\", \"description\": \"CWE-680: Integer Overflow to Buffer Overflow\"}]}], \"providerMetadata\": {\"orgId\": \"65518388-201a-4f93-8712-366d21fe8d2c\", \"shortName\": \"TianoCore\", \"dateUpdated\": \"2024-03-13T02:06:08.073Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-36765\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-11-03T19:27:16.178Z\", \"dateReserved\": \"2022-07-25T19:43:11.215Z\", \"assignerOrgId\": \"65518388-201a-4f93-8712-366d21fe8d2c\", \"datePublished\": \"2024-01-09T16:10:16.350Z\", \"assignerShortName\": \"TianoCore\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.