gsd-2012-2136
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
The sock_alloc_send_pskb function in net/core/sock.c in the Linux kernel before 3.4.5 does not properly validate a certain length value, which allows local users to cause a denial of service (heap-based buffer overflow and system crash) or possibly gain privileges by leveraging access to a TUN/TAP device.
Aliases
Aliases
CVE-2012-2136


To clipboard 

{
  "GSD": {
    "alias": "CVE-2012-2136",
    "description": "The sock_alloc_send_pskb function in net/core/sock.c in the Linux kernel before 3.4.5 does not properly validate a certain length value, which allows local users to cause a denial of service (heap-based buffer overflow and system crash) or possibly gain privileges by leveraging access to a TUN/TAP device.",
    "id": "GSD-2012-2136",
    "references": [
      "https://www.suse.com/security/cve/CVE-2012-2136.html",
      "https://access.redhat.com/errata/RHSA-2012:1087",
      "https://access.redhat.com/errata/RHSA-2012:0743",
      "https://access.redhat.com/errata/RHSA-2012:0690",
      "https://alas.aws.amazon.com/cve/html/CVE-2012-2136.html",
      "https://linux.oracle.com/cve/CVE-2012-2136.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2012-2136"
      ],
      "details": "The sock_alloc_send_pskb function in net/core/sock.c in the Linux kernel before 3.4.5 does not properly validate a certain length value, which allows local users to cause a denial of service (heap-based buffer overflow and system crash) or possibly gain privileges by leveraging access to a TUN/TAP device.",
      "id": "GSD-2012-2136",
      "modified": "2023-12-13T01:20:16.595781Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2012-2136",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
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              },
              "vendor_name": "n/a"
            }
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          }
        ]
      },
      "problemtype": {
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                "value": "n/a"
              }
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      },
      "references": {
        "reference_data": [
          {
            "name": "http://ubuntu.com/usn/usn-1529-1",
            "refsource": "MISC",
            "url": "http://ubuntu.com/usn/usn-1529-1"
          },
          {
            "name": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5",
            "refsource": "MISC",
            "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5"
          },
          {
            "name": "http://rhn.redhat.com/errata/RHSA-2012-0743.html",
            "refsource": "MISC",
            "url": "http://rhn.redhat.com/errata/RHSA-2012-0743.html"
          },
          {
            "name": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc",
            "refsource": "MISC",
            "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc"
          },
          {
            "name": "http://rhn.redhat.com/errata/RHSA-2012-1087.html",
            "refsource": "MISC",
            "url": "http://rhn.redhat.com/errata/RHSA-2012-1087.html"
          },
          {
            "name": "http://secunia.com/advisories/50807",
            "refsource": "MISC",
            "url": "http://secunia.com/advisories/50807"
          },
          {
            "name": "http://www.securityfocus.com/bid/53721",
            "refsource": "MISC",
            "url": "http://www.securityfocus.com/bid/53721"
          },
          {
            "name": "http://www.ubuntu.com/usn/USN-1535-1",
            "refsource": "MISC",
            "url": "http://www.ubuntu.com/usn/USN-1535-1"
          },
          {
            "name": "https://github.com/torvalds/linux/commit/cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc",
            "refsource": "MISC",
            "url": "https://github.com/torvalds/linux/commit/cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc"
          },
          {
            "name": "https://bugzilla.redhat.com/show_bug.cgi?id=816289",
            "refsource": "MISC",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=816289"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.0.37",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.2.23",
                "versionStartIncluding": "3.1",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.4.5",
                "versionStartIncluding": "3.3",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2012-2136"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-20"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=816289",
              "refsource": "CONFIRM",
              "tags": [
                "Issue Tracking"
              ],
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=816289"
            },
            {
              "name": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5",
              "refsource": "CONFIRM",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5"
            },
            {
              "name": "https://github.com/torvalds/linux/commit/cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc",
              "refsource": "CONFIRM",
              "tags": [
                "Exploit",
                "Patch"
              ],
              "url": "https://github.com/torvalds/linux/commit/cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc"
            },
            {
              "name": "53721",
              "refsource": "BID",
              "tags": [
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                "VDB Entry"
              ],
              "url": "http://www.securityfocus.com/bid/53721"
            },
            {
              "name": "USN-1535-1",
              "refsource": "UBUNTU",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "http://www.ubuntu.com/usn/USN-1535-1"
            },
            {
              "name": "RHSA-2012:1087",
              "refsource": "REDHAT",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "http://rhn.redhat.com/errata/RHSA-2012-1087.html"
            },
            {
              "name": "RHSA-2012:0743",
              "refsource": "REDHAT",
              "tags": [
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                "VDB Entry"
              ],
              "url": "http://rhn.redhat.com/errata/RHSA-2012-0743.html"
            },
            {
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              "refsource": "UBUNTU",
              "tags": [
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            },
            {
              "name": "50807",
              "refsource": "SECUNIA",
              "tags": [
                "URL Repurposed"
              ],
              "url": "http://secunia.com/advisories/50807"
            },
            {
              "name": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc",
              "refsource": "MISC",
              "tags": [
                "Broken Link"
              ],
              "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 7.2,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "COMPLETE",
            "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 10.0,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        }
      },
      "lastModifiedDate": "2023-10-12T14:12Z",
      "publishedDate": "2012-08-09T10:29Z"
    }
  }
}


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