{
  "id": "CVE-2021-3839",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2022-08-23T16:15:10.087",
  "lastModified": "2022-08-26T19:24:20.127",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in the vhost library in DPDK. Function vhost_user_set_inflight_fd() does not validate `msg->payload.inflight.num_queues`, possibly causing out-of-bounds memory read/write. Any software using DPDK vhost library may crash as a result of this vulnerability."
    },
    {
      "lang": "es",
      "value": "Se ha encontrado un fallo en la biblioteca vhost de DPDK. La funci\u00f3n vhost_user_set_inflight_fd() no comprueba \"msg-)payload.inflight.num_queues\", causando posiblemente una lectura/escritura de memoria fuera de l\u00edmites. Cualquier software usando la biblioteca DPDK vhost puede fallar como resultado de esta vulnerabilidad."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        },
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    },
    {
      "source": "secalert@redhat.com",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        },
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:dpdk:data_plane_development_kit:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "22.03",
              "matchCriteriaId": "1A0B4C63-3F60-4058-AF0C-F5AEE921CB01"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:dpdk:data_plane_development_kit:22.03:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "CB0AB20E-A20A-4087-B944-6A1B6E7E936B"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:dpdk:data_plane_development_kit:22.03:rc2:*:*:*:*:*:*",
              "matchCriteriaId": "4A0E6108-A040-4749-85A6-C1DA127F482A"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:dpdk:data_plane_development_kit:22.03:rc3:*:*:*:*:*:*",
              "matchCriteriaId": "844676DA-EA6F-4DA7-8248-6AD0139CC919"
            }
          ]
        }
      ]
    },
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*",
              "matchCriteriaId": "80E516C0-98A4-4ADE-B69F-66A772E2BAAA"
            }
          ]
        }
      ]
    },
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D"
            }
          ]
        }
      ]
    },
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:redhat:enterprise_linux_fast_datapath:7.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "559A4609-EC7E-40CD-9165-5DA68CBCEE9B"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:redhat:enterprise_linux_fast_datapath:8.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "BAE5723C-165D-4427-A8DF-82662A2E7A9F"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://access.redhat.com/security/cve/CVE-2021-3839",
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2025882",
      "source": "secalert@redhat.com",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/DPDK/dpdk/commit/6442c329b9d2ded0f44b27d2016aaba8ba5844c5",
      "source": "secalert@redhat.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    }
  ]
}