{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2014-10-08T00:00:00.000Z", "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": "2017-09-07T15:57:01.000Z", "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"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T13:10:50.624Z"}, "title": "CVE Program Container", "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"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2014-8086", "datePublished": "2014-10-13T10:00:00.000Z", "dateReserved": "2014-10-09T00:00:00.000Z", "dateUpdated": "2024-08-06T13:10:50.624Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "2EDC011A-F5BE-496E-857F-8586DD6E33E4", "versionEndIncluding": "3.17", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp2:*:*:ltss:*:*:*", "matchCriteriaId": "C202F75B-221A-40BB-8A0D-451335B39937", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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."}], "id": "CVE-2014-8086", "lastModified": "2026-06-17T00:16:12.610", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.7, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2014-10-13T10:55:09.590", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html"}, {"source": "cve@mitre.org", "tags": ["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": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2014/10/09/25"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/70376"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "url": "http://www.spinics.net/lists/linux-ext4/msg45683.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.spinics.net/lists/linux-ext4/msg45685.html"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1151353"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/96922"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "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": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2015-0290.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2015-0694.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2014/10/09/25"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/70376"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "url": "http://www.spinics.net/lists/linux-ext4/msg45683.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.spinics.net/lists/linux-ext4/msg45685.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1151353"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/96922"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "url": "https://lkml.org/lkml/2014/10/8/545"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "url": "https://lkml.org/lkml/2014/10/9/129"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-362"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2015:0290", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "kernel-0:3.10.0-229.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2015-03-05T00:00:00Z"}, {"advisory": "RHSA-2015:0694", "cpe": "cpe:/a:redhat:enterprise_mrg:2:server:el6", "package": "kernel-rt-1:3.10.0-229.rt56.144.el6rt", "product_name": "Red Hat Enterprise MRG 2", "release_date": "2015-03-17T00:00:00Z"}], "bugzilla": {"description": "Kernel: fs: ext4 race condition", "id": "1151353", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1151353"}, "csaw": false, "cvss": {"cvss_base_score": "4.7", "cvss_scoring_vector": "AV:L/AC:M/Au:N/C:N/I:N/A:C", "status": "verified"}, "details": ["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.", "A race condition flaw was found in the Linux kernel's ext4 file system implementation that allowed a local, unprivileged user to crash the system by simultaneously writing to a file and toggling the O_DIRECT flag using fcntl(F_SETFL) on that file."], "name": "CVE-2014-8086", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2014-10-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2014-8086\nhttps://nvd.nist.gov/vuln/detail/CVE-2014-8086"], "statement": "This issue does not affect the versions of Linux kernel as shipped with\nRed Hat Enterprise Linux 5 and Red Hat Enterprise Linux 6.\nThis issue affects the version of the kernel package as shipped with\nRed Hat Enterprise Linux 7 and Red Hat Enterprise MRG 2. Future kernel updates\nfor Red Hat Enterprise Linux 7 and Red Hat Enterprise MRG 2 may address this\nissue.", "threat_severity": "Moderate"}

{}