{
  "GSD": {
    "alias": "CVE-2023-6040",
    "id": "GSD-2023-6040"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-6040"
      ],
      "details": "An out-of-bounds access vulnerability involving netfilter was reported and fixed as: f1082dd31fe4 (netfilter: nf_tables: Reject tables of unsupported family); While creating a new netfilter table, lack of a safeguard against invalid nf_tables family (pf) values within `nf_tables_newtable` function enables an attacker to achieve out-of-bounds access.",
      "id": "GSD-2023-6040",
      "modified": "2023-12-13T01:20:32.841712Z",
      "schema_version": "1.4.0"
    }
  },
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        "ASSIGNER": "security@ubuntu.com",
        "ID": "CVE-2023-6040",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "linux",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "0",
                          "version_value": "5.18-rc1"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "The Linux Kernel Organization"
            }
          ]
        }
      },
      "credits": [
        {
          "lang": "en",
          "value": "Lin Ma from Ant Security Light-Year Lab \u0026 ZJU"
        }
      ],
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      "data_version": "4.0",
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            "value": "An out-of-bounds access vulnerability involving netfilter was reported and fixed as: f1082dd31fe4 (netfilter: nf_tables: Reject tables of unsupported family); While creating a new netfilter table, lack of a safeguard against invalid nf_tables family (pf) values within `nf_tables_newtable` function enables an attacker to achieve out-of-bounds access."
          }
        ]
      },
      "impact": {
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          {
            "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"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-125",
                "lang": "eng",
                "value": "CWE-125"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6040",
            "refsource": "MISC",
            "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6040"
          },
          {
            "name": "https://www.openwall.com/lists/oss-security/2024/01/12/1",
            "refsource": "MISC",
            "url": "https://www.openwall.com/lists/oss-security/2024/01/12/1"
          },
          {
            "name": "http://www.openwall.com/lists/oss-security/2024/01/12/1",
            "refsource": "MISC",
            "url": "http://www.openwall.com/lists/oss-security/2024/01/12/1"
          },
          {
            "name": "http://packetstormsecurity.com/files/177029/Kernel-Live-Patch-Security-Notice-LSN-0100-1.html",
            "refsource": "MISC",
            "url": "http://packetstormsecurity.com/files/177029/Kernel-Live-Patch-Security-Notice-LSN-0100-1.html"
          }
        ]
      },
      "work_around": [
        {
          "lang": "en",
          "value": "Disabling unprivileged user namespaces mitigates the issue."
        }
      ]
    },
    "nvd.nist.gov": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                "negate": false,
                "operator": "OR"
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            ]
          }
        ],
        "descriptions": [
          {
            "lang": "en",
            "value": "An out-of-bounds access vulnerability involving netfilter was reported and fixed as: f1082dd31fe4 (netfilter: nf_tables: Reject tables of unsupported family); While creating a new netfilter table, lack of a safeguard against invalid nf_tables family (pf) values within `nf_tables_newtable` function enables an attacker to achieve out-of-bounds access."
          },
          {
            "lang": "es",
            "value": "Se inform\u00f3 y solucion\u00f3 una vulnerabilidad de acceso fuera de los l\u00edmites que involucraba a netfilter como: f1082dd31fe4 (netfilter: nf_tables: Rechazar tablas de familia no admitida); Al crear una nueva tabla netfilter, la falta de protecci\u00f3n contra valores no v\u00e1lidos de la familia nf_tables (pf) dentro de la funci\u00f3n `nf_tables_newtable` permite a un atacante lograr un acceso fuera de los l\u00edmites."
          }
        ],
        "id": "CVE-2023-6040",
        "lastModified": "2024-02-08T16:15:46.600",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
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                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
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                "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"
            },
            {
              "cvssData": {
                "attackComplexity": "LOW",
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                "availabilityImpact": "HIGH",
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                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
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                "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": "security@ubuntu.com",
              "type": "Secondary"
            }
          ]
        },
        "published": "2024-01-12T02:15:44.683",
        "references": [
          {
            "source": "security@ubuntu.com",
            "url": "http://packetstormsecurity.com/files/177029/Kernel-Live-Patch-Security-Notice-LSN-0100-1.html"
          },
          {
            "source": "security@ubuntu.com",
            "tags": [
              "Mailing List",
              "Patch",
              "Third Party Advisory"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2024/01/12/1"
          },
          {
            "source": "security@ubuntu.com",
            "tags": [
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            ],
            "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6040"
          },
          {
            "source": "security@ubuntu.com",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
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            "url": "https://www.openwall.com/lists/oss-security/2024/01/12/1"
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        ],
        "sourceIdentifier": "security@ubuntu.com",
        "vulnStatus": "Modified",
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                "value": "CWE-125"
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            "source": "security@ubuntu.com",
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        ]
      }
    }
  }
}