FKIE_CVE-2022-33743

Vulnerability from fkie_nvd - Published: 2022-07-05 13:15 - Updated: 2024-11-21 07:08
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
network backend may cause Linux netfront to use freed SKBs While adding logic to support XDP (eXpress Data Path), a code label was moved in a way allowing for SKBs having references (pointers) retained for further processing to nevertheless be freed.
References
security@xen.orghttp://www.openwall.com/lists/oss-security/2022/07/05/5Mailing List, Patch, Third Party Advisory
security@xen.orghttp://xenbits.xen.org/xsa/advisory-405.htmlPatch, Vendor Advisory
security@xen.orghttps://www.debian.org/security/2022/dsa-5191Third Party Advisory
security@xen.orghttps://xenbits.xenproject.org/xsa/advisory-405.txtVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2022/07/05/5Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://xenbits.xen.org/xsa/advisory-405.htmlPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2022/dsa-5191Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://xenbits.xenproject.org/xsa/advisory-405.txtVendor Advisory
Impacted products
Vendor Product Version
linux linux_kernel *
xen xen -
debian debian_linux 11.0
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "5CD32F0B-F455-46C3-B510-AD6FC97DC3A2",
              "versionEndIncluding": "5.18",
              "versionStartIncluding": "5.9",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "BFA1950D-1D9F-4401-AA86-CF3028EFD286",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "network backend may cause Linux netfront to use freed SKBs While adding logic to support XDP (eXpress Data Path), a code label was moved in a way allowing for SKBs having references (pointers) retained for further processing to nevertheless be freed."
    },
    {
      "lang": "es",
      "value": "El backend de la red puede hacer que Linux netfront use SKB liberados Al agregar l\u00f3gica para admitir XDP (ruta de datos eXpress), se movi\u00f3 una etiqueta de c\u00f3digo de una manera que permit\u00eda que los SKB tuvieran referencias (punteros) retenidas para un procesamiento posterior para, no obstante, ser liberados"
    }
  ],
  "id": "CVE-2022-33743",
  "lastModified": "2024-11-21T07:08:27.093",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.6,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2022-07-05T13:15:08.613",
  "references": [
    {
      "source": "security@xen.org",
      "tags": [
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        "Patch",
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    },
    {
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      "tags": [
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://xenbits.xenproject.org/xsa/advisory-405.txt"
    }
  ],
  "sourceIdentifier": "security@xen.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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