cve-2014-8086
Vulnerability from cvelistv5
Published
2014-10-13 10:00
Modified
2024-08-06 13:10
Severity ?
Summary
Race condition in the ext4_file_write_iter function in fs/ext4/file.c in the Linux kernel through 3.17 allows local users to cause a denial of service (file unavailability) via a combination of a write action and an F_SETFL fcntl operation for the O_DIRECT flag.
References
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.htmlMailing List, Third Party Advisory
cve@mitre.orghttp://rhn.redhat.com/errata/RHSA-2015-0290.htmlThird Party Advisory
cve@mitre.orghttp://rhn.redhat.com/errata/RHSA-2015-0694.htmlThird Party Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2014/10/09/25Mailing List, Third Party Advisory
cve@mitre.orghttp://www.securityfocus.com/bid/70376Third Party Advisory, VDB Entry
cve@mitre.orghttp://www.spinics.net/lists/linux-ext4/msg45683.htmlExploit, Mailing List, Third Party Advisory
cve@mitre.orghttp://www.spinics.net/lists/linux-ext4/msg45685.htmlMailing List, Patch, Third Party Advisory
cve@mitre.orghttps://bugzilla.redhat.com/show_bug.cgi?id=1151353Issue Tracking, Patch, Third Party Advisory
cve@mitre.orghttps://exchange.xforce.ibmcloud.com/vulnerabilities/96922Third Party Advisory, VDB Entry
cve@mitre.orghttps://lkml.org/lkml/2014/10/8/545Exploit, Mailing List, Third Party Advisory
cve@mitre.orghttps://lkml.org/lkml/2014/10/9/129Exploit, Mailing List, Third Party Advisory
Impacted products
n/an/a
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T13:10:50.624Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "[linux-kernel] 20141008 ext4: kernel BUG at fs/ext4/inode.c:2959!",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lkml.org/lkml/2014/10/8/545"
          },
          {
            "name": "70376",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/70376"
          },
          {
            "name": "[linux-ext4] 20141009 [PATCH] add aio/dio regression test race between write and fcntl",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.spinics.net/lists/linux-ext4/msg45685.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1151353"
          },
          {
            "name": "[linux-ext4] 20141009 [PATCH] ext4: fix race between write and fcntl(F_SETFL)",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.spinics.net/lists/linux-ext4/msg45683.html"
          },
          {
            "name": "RHSA-2015:0694",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2015-0694.html"
          },
          {
            "name": "RHSA-2015:0290",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2015-0290.html"
          },
          {
            "name": "SUSE-SU-2015:1478",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html"
          },
          {
            "name": "linux-kernel-cve20148086-dos(96922)",
            "tags": [
              "vdb-entry",
              "x_refsource_XF",
              "x_transferred"
            ],
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/96922"
          },
          {
            "name": "[linux-kernel] 20141009 Re: ext4: kernel BUG at fs/ext4/inode.c:2959!",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lkml.org/lkml/2014/10/9/129"
          },
          {
            "name": "[oss-security] 20141009 CVE-2014-8086 - Linux kernel ext4 race condition",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2014/10/09/25"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2014-10-08T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "Race condition in the ext4_file_write_iter function in fs/ext4/file.c in the Linux kernel through 3.17 allows local users to cause a denial of service (file unavailability) via a combination of a write action and an F_SETFL fcntl operation for the O_DIRECT flag."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-09-07T15:57:01",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "name": "[linux-kernel] 20141008 ext4: kernel BUG at fs/ext4/inode.c:2959!",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lkml.org/lkml/2014/10/8/545"
        },
        {
          "name": "70376",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/70376"
        },
        {
          "name": "[linux-ext4] 20141009 [PATCH] add aio/dio regression test race between write and fcntl",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.spinics.net/lists/linux-ext4/msg45685.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1151353"
        },
        {
          "name": "[linux-ext4] 20141009 [PATCH] ext4: fix race between write and fcntl(F_SETFL)",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.spinics.net/lists/linux-ext4/msg45683.html"
        },
        {
          "name": "RHSA-2015:0694",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "http://rhn.redhat.com/errata/RHSA-2015-0694.html"
        },
        {
          "name": "RHSA-2015:0290",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "http://rhn.redhat.com/errata/RHSA-2015-0290.html"
        },
        {
          "name": "SUSE-SU-2015:1478",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html"
        },
        {
          "name": "linux-kernel-cve20148086-dos(96922)",
          "tags": [
            "vdb-entry",
            "x_refsource_XF"
          ],
          "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/96922"
        },
        {
          "name": "[linux-kernel] 20141009 Re: ext4: kernel BUG at fs/ext4/inode.c:2959!",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lkml.org/lkml/2014/10/9/129"
        },
        {
          "name": "[oss-security] 20141009 CVE-2014-8086 - Linux kernel ext4 race condition",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2014/10/09/25"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2014-8086",
          "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": "Race condition in the ext4_file_write_iter function in fs/ext4/file.c in the Linux kernel through 3.17 allows local users to cause a denial of service (file unavailability) via a combination of a write action and an F_SETFL fcntl operation for the O_DIRECT flag."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "[linux-kernel] 20141008 ext4: kernel BUG at fs/ext4/inode.c:2959!",
              "refsource": "MLIST",
              "url": "https://lkml.org/lkml/2014/10/8/545"
            },
            {
              "name": "70376",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/70376"
            },
            {
              "name": "[linux-ext4] 20141009 [PATCH] add aio/dio regression test race between write and fcntl",
              "refsource": "MLIST",
              "url": "http://www.spinics.net/lists/linux-ext4/msg45685.html"
            },
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1151353",
              "refsource": "CONFIRM",
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1151353"
            },
            {
              "name": "[linux-ext4] 20141009 [PATCH] ext4: fix race between write and fcntl(F_SETFL)",
              "refsource": "MLIST",
              "url": "http://www.spinics.net/lists/linux-ext4/msg45683.html"
            },
            {
              "name": "RHSA-2015:0694",
              "refsource": "REDHAT",
              "url": "http://rhn.redhat.com/errata/RHSA-2015-0694.html"
            },
            {
              "name": "RHSA-2015:0290",
              "refsource": "REDHAT",
              "url": "http://rhn.redhat.com/errata/RHSA-2015-0290.html"
            },
            {
              "name": "SUSE-SU-2015:1478",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html"
            },
            {
              "name": "linux-kernel-cve20148086-dos(96922)",
              "refsource": "XF",
              "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/96922"
            },
            {
              "name": "[linux-kernel] 20141009 Re: ext4: kernel BUG at fs/ext4/inode.c:2959!",
              "refsource": "MLIST",
              "url": "https://lkml.org/lkml/2014/10/9/129"
            },
            {
              "name": "[oss-security] 20141009 CVE-2014-8086 - Linux kernel ext4 race condition",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2014/10/09/25"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2014-8086",
    "datePublished": "2014-10-13T10:00:00",
    "dateReserved": "2014-10-09T00:00:00",
    "dateUpdated": "2024-08-06T13:10:50.624Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2014-8086\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2014-10-13T10:55:09.590\",\"lastModified\":\"2020-08-14T18:16:04.350\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Race condition in the ext4_file_write_iter function in fs/ext4/file.c in the Linux kernel through 3.17 allows local users to cause a denial of service (file unavailability) via a combination of a write action and an F_SETFL fcntl operation for the O_DIRECT flag.\"},{\"lang\":\"es\",\"value\":\"Condici\u00f3n de carrera en la funci\u00f3n ext4_file_write_iter en fs/ext4/file.c en el kernel de Linux hasta 3.17 permite a usuarios locales causar una denegaci\u00f3n de servicio (no disponibilidad de ficheros) a trav\u00e9s de una combinaci\u00f3n de una acci\u00f3n de escritura y una operaci\u00f3n F_SETFL fcntl para el indicador O_DIRECT.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":4.7,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.0,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:M/Au:N/C:N/I:N/A:C\",\"accessVector\":\"LOCAL\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"COMPLETE\",\"baseScore\":4.7},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":3.4,\"impactScore\":6.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-362\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"3.17\",\"matchCriteriaId\":\"2EDC011A-F5BE-496E-857F-8586DD6E33E4\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp2:*:*:ltss:*:*:*\",\"matchCriteriaId\":\"C202F75B-221A-40BB-8A0D-451335B39937\"}]}]}],\"references\":[{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2015-0290.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2015-0694.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2014/10/09/25\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://www.securityfocus.com/bid/70376\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://www.spinics.net/lists/linux-ext4/msg45683.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\",\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://www.spinics.net/lists/linux-ext4/msg45685.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=1151353\",\"source\":\"cve@mitre.org\",\"tags\":[\"Issue Tracking\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://exchange.xforce.ibmcloud.com/vulnerabilities/96922\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://lkml.org/lkml/2014/10/8/545\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\",\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lkml.org/lkml/2014/10/9/129\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\",\"Mailing List\",\"Third Party Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




  • 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.