{
  "GSD": {
    "alias": "CVE-2017-7558",
    "description": "A kernel data leak due to an out-of-bound read was found in the Linux kernel in inet_diag_msg_sctp{,l}addr_fill() and sctp_get_sctp_info() functions present since version 4.7-rc1 through version 4.13. A data leak happens when these functions fill in sockaddr data structures used to export socket\u0027s diagnostic information. As a result, up to 100 bytes of the slab data could be leaked to a userspace.",
    "id": "GSD-2017-7558",
    "references": [
      "https://www.suse.com/security/cve/CVE-2017-7558.html",
      "https://www.debian.org/security/2017/dsa-3981",
      "https://access.redhat.com/errata/RHSA-2017:2931",
      "https://access.redhat.com/errata/RHSA-2017:2930",
      "https://access.redhat.com/errata/RHSA-2017:2918",
      "https://advisories.mageia.org/CVE-2017-7558.html",
      "https://alas.aws.amazon.com/cve/html/CVE-2017-7558.html",
      "https://linux.oracle.com/cve/CVE-2017-7558.html",
      "https://packetstormsecurity.com/files/cve/CVE-2017-7558"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2017-7558"
      ],
      "details": "A kernel data leak due to an out-of-bound read was found in the Linux kernel in inet_diag_msg_sctp{,l}addr_fill() and sctp_get_sctp_info() functions present since version 4.7-rc1 through version 4.13. A data leak happens when these functions fill in sockaddr data structures used to export socket\u0027s diagnostic information. As a result, up to 100 bytes of the slab data could be leaked to a userspace.",
      "id": "GSD-2017-7558",
      "modified": "2023-12-13T01:21:06.215835Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2017-7558",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "kernel",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "4.7-rc1 through 4.13"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Linux"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "A kernel data leak due to an out-of-bound read was found in the Linux kernel in inet_diag_msg_sctp{,l}addr_fill() and sctp_get_sctp_info() functions present since version 4.7-rc1 through version 4.13. A data leak happens when these functions fill in sockaddr data structures used to export socket\u0027s diagnostic information. As a result, up to 100 bytes of the slab data could be leaked to a userspace."
          }
        ]
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 5.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.0"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-125",
                "lang": "eng",
                "value": "CWE-125"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://access.redhat.com/errata/RHSA-2017:2918",
            "refsource": "MISC",
            "url": "https://access.redhat.com/errata/RHSA-2017:2918"
          },
          {
            "name": "https://access.redhat.com/errata/RHSA-2017:2930",
            "refsource": "MISC",
            "url": "https://access.redhat.com/errata/RHSA-2017:2930"
          },
          {
            "name": "https://access.redhat.com/errata/RHSA-2017:2931",
            "refsource": "MISC",
            "url": "https://access.redhat.com/errata/RHSA-2017:2931"
          },
          {
            "name": "http://seclists.org/oss-sec/2017/q3/338",
            "refsource": "MISC",
            "url": "http://seclists.org/oss-sec/2017/q3/338"
          },
          {
            "name": "http://www.securityfocus.com/bid/100466",
            "refsource": "MISC",
            "url": "http://www.securityfocus.com/bid/100466"
          },
          {
            "name": "http://www.securitytracker.com/id/1039221",
            "refsource": "MISC",
            "url": "http://www.securitytracker.com/id/1039221"
          },
          {
            "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7558",
            "refsource": "MISC",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7558"
          },
          {
            "name": "https://marc.info/?l=linux-netdev\u0026m=150348777122761\u0026w=2",
            "refsource": "MISC",
            "url": "https://marc.info/?l=linux-netdev\u0026m=150348777122761\u0026w=2"
          },
          {
            "name": "https://www.debian.org/security/2017/dsa-3981",
            "refsource": "MISC",
            "url": "https://www.debian.org/security/2017/dsa-3981"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:4.7:rc6:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:4.7:rc1:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:4.7:rc2:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:4.7:rc3:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:4.7:rc4:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:4.7:rc5:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:4.7:rc7:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "4.13",
                "versionStartIncluding": "4.7",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2017-7558"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "A kernel data leak due to an out-of-bound read was found in the Linux kernel in inet_diag_msg_sctp{,l}addr_fill() and sctp_get_sctp_info() functions present since version 4.7-rc1 through version 4.13. A data leak happens when these functions fill in sockaddr data structures used to export socket\u0027s diagnostic information. As a result, up to 100 bytes of the slab data could be leaked to a userspace."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-125"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7558",
              "refsource": "CONFIRM",
              "tags": [
                "Issue Tracking",
                "Third Party Advisory"
              ],
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7558"
            },
            {
              "name": "[oss-security] 20170823 CVE-2017-7558: Linux kernel: sctp: out-of-bounds read in inet_diag_msg_sctp{,l}addr_fill() and sctp_get_sctp_info()",
              "refsource": "MLIST",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://seclists.org/oss-sec/2017/q3/338"
            },
            {
              "name": "[linux-netdev] 20170823 [PATCH net] sctp: Avoid out-of-bounds reads from address storage",
              "refsource": "MLIST",
              "tags": [
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://marc.info/?l=linux-netdev\u0026m=150348777122761\u0026w=2"
            },
            {
              "name": "DSA-3981",
              "refsource": "DEBIAN",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://www.debian.org/security/2017/dsa-3981"
            },
            {
              "name": "RHSA-2017:2931",
              "refsource": "REDHAT",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://access.redhat.com/errata/RHSA-2017:2931"
            },
            {
              "name": "RHSA-2017:2930",
              "refsource": "REDHAT",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://access.redhat.com/errata/RHSA-2017:2930"
            },
            {
              "name": "RHSA-2017:2918",
              "refsource": "REDHAT",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://access.redhat.com/errata/RHSA-2017:2918"
            },
            {
              "name": "1039221",
              "refsource": "SECTRACK",
              "tags": [
                "Third Party Advisory",
                "VDB Entry"
              ],
              "url": "http://www.securitytracker.com/id/1039221"
            },
            {
              "name": "100466",
              "refsource": "BID",
              "tags": [
                "Third Party Advisory",
                "VDB Entry"
              ],
              "url": "http://www.securityfocus.com/bid/100466"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 5.0,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2023-02-12T23:31Z",
      "publishedDate": "2018-07-26T15:29Z"
    }
  }
}