gsd-2016-4557
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
The replace_map_fd_with_map_ptr function in kernel/bpf/verifier.c in the Linux kernel before 4.5.5 does not properly maintain an fd data structure, which allows local users to gain privileges or cause a denial of service (use-after-free) via crafted BPF instructions that reference an incorrect file descriptor.
Aliases
Aliases
CVE-2016-4557


To clipboard 

{
  "GSD": {
    "alias": "CVE-2016-4557",
    "description": "The replace_map_fd_with_map_ptr function in kernel/bpf/verifier.c in the Linux kernel before 4.5.5 does not properly maintain an fd data structure, which allows local users to gain privileges or cause a denial of service (use-after-free) via crafted BPF instructions that reference an incorrect file descriptor.",
    "id": "GSD-2016-4557",
    "references": [
      "https://www.suse.com/security/cve/CVE-2016-4557.html",
      "https://ubuntu.com/security/CVE-2016-4557",
      "https://alas.aws.amazon.com/cve/html/CVE-2016-4557.html",
      "https://packetstormsecurity.com/files/cve/CVE-2016-4557"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2016-4557"
      ],
      "details": "The replace_map_fd_with_map_ptr function in kernel/bpf/verifier.c in the Linux kernel before 4.5.5 does not properly maintain an fd data structure, which allows local users to gain privileges or cause a denial of service (use-after-free) via crafted BPF instructions that reference an incorrect file descriptor.",
      "id": "GSD-2016-4557",
      "modified": "2023-12-13T01:21:18.258577Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ID": "CVE-2016-4557",
        "STATE": "PUBLIC"
      },
      "affects": {
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              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
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                        {
                          "version_value": "n/a"
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          }
        ]
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            "url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5"
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          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "4.4.11",
                "versionStartIncluding": "4.4",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "4.5.5",
                "versionStartIncluding": "4.5",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
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          "ID": "CVE-2016-4557"
        },
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            }
          ]
        },
        "problemtype": {
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            {
              "description": [
                {
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                  "value": "NVD-CWE-Other"
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        },
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              "url": "https://bugs.chromium.org/p/project-zero/issues/detail?id=808"
            },
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              "name": "https://bugs.debian.org/823603",
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            },
            {
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              "refsource": "MLIST",
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        }
      },
      "impact": {
        "baseMetricV2": {
          "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
        },
        "baseMetricV3": {
          "cvssV3": {
            "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
        }
      },
      "lastModifiedDate": "2023-01-17T21:40Z",
      "publishedDate": "2016-05-23T10:59Z"
    }
  }
}


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