cve-2016-4794
Vulnerability from cvelistv5
Published
2016-05-23 10:00
Modified
2024-08-06 00:39
Severity ?
Summary
Use-after-free vulnerability in mm/percpu.c in the Linux kernel through 4.6 allows local users to cause a denial of service (BUG) or possibly have unspecified other impact via crafted use of the mmap and bpf system calls.
References
cve@mitre.orghttp://rhn.redhat.com/errata/RHSA-2016-2574.htmlThird Party Advisory
cve@mitre.orghttp://rhn.redhat.com/errata/RHSA-2016-2584.htmlThird Party Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2016/05/12/6Exploit, Mailing List, Third Party Advisory
cve@mitre.orghttp://www.securityfocus.com/bid/90625Third Party Advisory, VDB Entry
cve@mitre.orghttp://www.ubuntu.com/usn/USN-3053-1Third Party Advisory
cve@mitre.orghttp://www.ubuntu.com/usn/USN-3054-1Third Party Advisory
cve@mitre.orghttp://www.ubuntu.com/usn/USN-3055-1Third Party Advisory
cve@mitre.orghttp://www.ubuntu.com/usn/USN-3056-1Third Party Advisory
cve@mitre.orghttp://www.ubuntu.com/usn/USN-3057-1Third Party Advisory
cve@mitre.orghttps://bugzilla.redhat.com/show_bug.cgi?id=1335889VDB Entry, Issue Tracking, Third Party Advisory
cve@mitre.orghttps://lkml.org/lkml/2016/4/17/125Exploit, Third Party Advisory
cve@mitre.orghttps://source.android.com/security/bulletin/2016-12-01.htmlThird Party Advisory
Impacted products
n/an/a
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T00:39:26.265Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "USN-3054-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://www.ubuntu.com/usn/USN-3054-1"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://source.android.com/security/bulletin/2016-12-01.html"
          },
          {
            "name": "USN-3053-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://www.ubuntu.com/usn/USN-3053-1"
          },
          {
            "name": "USN-3055-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://www.ubuntu.com/usn/USN-3055-1"
          },
          {
            "name": "USN-3056-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://www.ubuntu.com/usn/USN-3056-1"
          },
          {
            "name": "[oss-security] 20160512 Linux Kernel bpf related UAF",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2016/05/12/6"
          },
          {
            "name": "RHSA-2016:2584",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2016-2584.html"
          },
          {
            "name": "RHSA-2016:2574",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2016-2574.html"
          },
          {
            "name": "[linux-kernel] 20160417 Re: bpf: use-after-free in array_map_alloc",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lkml.org/lkml/2016/4/17/125"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1335889"
          },
          {
            "name": "USN-3057-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://www.ubuntu.com/usn/USN-3057-1"
          },
          {
            "name": "90625",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/90625"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2016-04-17T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "Use-after-free vulnerability in mm/percpu.c in the Linux kernel through 4.6 allows local users to cause a denial of service (BUG) or possibly have unspecified other impact via crafted use of the mmap and bpf system calls."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-01-04T19:57:01",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "name": "USN-3054-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-3054-1"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://source.android.com/security/bulletin/2016-12-01.html"
        },
        {
          "name": "USN-3053-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-3053-1"
        },
        {
          "name": "USN-3055-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-3055-1"
        },
        {
          "name": "USN-3056-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-3056-1"
        },
        {
          "name": "[oss-security] 20160512 Linux Kernel bpf related UAF",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2016/05/12/6"
        },
        {
          "name": "RHSA-2016:2584",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "http://rhn.redhat.com/errata/RHSA-2016-2584.html"
        },
        {
          "name": "RHSA-2016:2574",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "http://rhn.redhat.com/errata/RHSA-2016-2574.html"
        },
        {
          "name": "[linux-kernel] 20160417 Re: bpf: use-after-free in array_map_alloc",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lkml.org/lkml/2016/4/17/125"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1335889"
        },
        {
          "name": "USN-3057-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-3057-1"
        },
        {
          "name": "90625",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/90625"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2016-4794",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Use-after-free vulnerability in mm/percpu.c in the Linux kernel through 4.6 allows local users to cause a denial of service (BUG) or possibly have unspecified other impact via crafted use of the mmap and bpf system calls."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "USN-3054-1",
              "refsource": "UBUNTU",
              "url": "http://www.ubuntu.com/usn/USN-3054-1"
            },
            {
              "name": "https://source.android.com/security/bulletin/2016-12-01.html",
              "refsource": "CONFIRM",
              "url": "https://source.android.com/security/bulletin/2016-12-01.html"
            },
            {
              "name": "USN-3053-1",
              "refsource": "UBUNTU",
              "url": "http://www.ubuntu.com/usn/USN-3053-1"
            },
            {
              "name": "USN-3055-1",
              "refsource": "UBUNTU",
              "url": "http://www.ubuntu.com/usn/USN-3055-1"
            },
            {
              "name": "USN-3056-1",
              "refsource": "UBUNTU",
              "url": "http://www.ubuntu.com/usn/USN-3056-1"
            },
            {
              "name": "[oss-security] 20160512 Linux Kernel bpf related UAF",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2016/05/12/6"
            },
            {
              "name": "RHSA-2016:2584",
              "refsource": "REDHAT",
              "url": "http://rhn.redhat.com/errata/RHSA-2016-2584.html"
            },
            {
              "name": "RHSA-2016:2574",
              "refsource": "REDHAT",
              "url": "http://rhn.redhat.com/errata/RHSA-2016-2574.html"
            },
            {
              "name": "[linux-kernel] 20160417 Re: bpf: use-after-free in array_map_alloc",
              "refsource": "MLIST",
              "url": "https://lkml.org/lkml/2016/4/17/125"
            },
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1335889",
              "refsource": "CONFIRM",
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1335889"
            },
            {
              "name": "USN-3057-1",
              "refsource": "UBUNTU",
              "url": "http://www.ubuntu.com/usn/USN-3057-1"
            },
            {
              "name": "90625",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/90625"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2016-4794",
    "datePublished": "2016-05-23T10:00:00",
    "dateReserved": "2016-05-12T00:00:00",
    "dateUpdated": "2024-08-06T00:39:26.265Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2016-4794\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2016-05-23T10:59:12.427\",\"lastModified\":\"2023-02-16T02:32:38.693\",\"vulnStatus\":\"Analyzed\",\"evaluatorComment\":\"CWE-416: Use After Free\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Use-after-free vulnerability in mm/percpu.c in the Linux kernel through 4.6 allows local users to cause a denial of service (BUG) or possibly have unspecified other impact via crafted use of the mmap and bpf system calls.\"},{\"lang\":\"es\",\"value\":\"Vulnerabilidad de uso despu\u00e9s de liberaci\u00f3n de memoria en el kernel de Linux hasta la versi\u00f3n 4.6 permite a usuarios locales provocar una denegaci\u00f3n de servicio (BUG) o posiblemente tener otro impacto no especificado a trav\u00e9s del uso manipulado de llamadas de sistema mmap y bpf.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:C/I:C/A:C\",\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\",\"baseScore\":7.2},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":3.9,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-Other\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.18\",\"versionEndExcluding\":\"3.18.37\",\"matchCriteriaId\":\"9409D36B-D6DD-4092-917E-97A2A479AA68\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.19\",\"versionEndExcluding\":\"4.1.28\",\"matchCriteriaId\":\"2BACB680-D42D-4EFF-9B8B-121AA348DB7A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.2\",\"versionEndExcluding\":\"4.4.16\",\"matchCriteriaId\":\"4C5F7349-1EFB-4C46-8342-5CF8CFB8E940\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.5\",\"versionEndExcluding\":\"4.6.5\",\"matchCriteriaId\":\"3C4D37E6-8AC8-49A3-8C2F-A9FB2A4F7102\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"B5A6F2F3-4894-4392-8296-3B8DD2679084\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B\"}]}]}],\"references\":[{\"url\":\"http://rhn.redhat.com/errata/RHSA-2016-2574.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2016-2584.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2016/05/12/6\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\",\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://www.securityfocus.com/bid/90625\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://www.ubuntu.com/usn/USN-3053-1\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.ubuntu.com/usn/USN-3054-1\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.ubuntu.com/usn/USN-3055-1\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.ubuntu.com/usn/USN-3056-1\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.ubuntu.com/usn/USN-3057-1\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=1335889\",\"source\":\"cve@mitre.org\",\"tags\":[\"VDB Entry\",\"Issue Tracking\",\"Third Party Advisory\"]},{\"url\":\"https://lkml.org/lkml/2016/4/17/125\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://source.android.com/security/bulletin/2016-12-01.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.