{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2016-04-01T00:00:00", "descriptions": [{"lang": "en", "value": "Multiple race conditions in the ext4 filesystem implementation in the Linux kernel before 4.5 allow local users to cause a denial of service (disk corruption) by writing to a page that is associated with a different user's file after unsynchronized hole punching and page-fault handling."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-06-10T12:04:23", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1323577"}, {"name": "USN-3006-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-3006-1"}, {"name": "1035455", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://www.securitytracker.com/id/1035455"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/torvalds/linux/commit/ea3d7209ca01da209cda6f0dea8be9cc4b7a933b"}, {"name": "USN-3005-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-3005-1"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ea3d7209ca01da209cda6f0dea8be9cc4b7a933b"}, {"name": "RHSA-2017:2669", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2017:2669"}, {"name": "[oss-security] 20160401 Re: ext4 data corruption due to punch hole races", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2016/04/01/4"}, {"name": "85798", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/85798"}, {"name": "RHSA-2017:2077", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2017:2077"}, {"name": "USN-3007-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-3007-1"}, {"name": "RHSA-2017:1842", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2017:1842"}, {"name": "[debian-lts-announce] 20200609 [SECURITY] [DLA 2241-1] linux security update", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html"}, {"name": "[debian-lts-announce] 20200610 [SECURITY] [DLA 2241-2] linux security update", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2015-8839", "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": "Multiple race conditions in the ext4 filesystem implementation in the Linux kernel before 4.5 allow local users to cause a denial of service (disk corruption) by writing to a page that is associated with a different user's file after unsynchronized hole punching and page-fault handling."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://bugzilla.redhat.com/show_bug.cgi?id=1323577", "refsource": "CONFIRM", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1323577"}, {"name": "USN-3006-1", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-3006-1"}, {"name": "1035455", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1035455"}, {"name": "https://github.com/torvalds/linux/commit/ea3d7209ca01da209cda6f0dea8be9cc4b7a933b", "refsource": "CONFIRM", "url": "https://github.com/torvalds/linux/commit/ea3d7209ca01da209cda6f0dea8be9cc4b7a933b"}, {"name": "USN-3005-1", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-3005-1"}, {"name": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ea3d7209ca01da209cda6f0dea8be9cc4b7a933b", "refsource": "CONFIRM", "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ea3d7209ca01da209cda6f0dea8be9cc4b7a933b"}, {"name": "RHSA-2017:2669", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2017:2669"}, {"name": "[oss-security] 20160401 Re: ext4 data corruption due to punch hole races", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2016/04/01/4"}, {"name": "85798", "refsource": "BID", "url": "http://www.securityfocus.com/bid/85798"}, {"name": "RHSA-2017:2077", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2017:2077"}, {"name": "USN-3007-1", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-3007-1"}, {"name": "RHSA-2017:1842", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2017:1842"}, {"name": "[debian-lts-announce] 20200609 [SECURITY] [DLA 2241-1] linux security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html"}, {"name": "[debian-lts-announce] 20200610 [SECURITY] [DLA 2241-2] linux security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T08:29:22.094Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1323577"}, {"name": "USN-3006-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-3006-1"}, {"name": "1035455", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://www.securitytracker.com/id/1035455"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/torvalds/linux/commit/ea3d7209ca01da209cda6f0dea8be9cc4b7a933b"}, {"name": "USN-3005-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-3005-1"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ea3d7209ca01da209cda6f0dea8be9cc4b7a933b"}, {"name": "RHSA-2017:2669", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "https://access.redhat.com/errata/RHSA-2017:2669"}, {"name": "[oss-security] 20160401 Re: ext4 data corruption due to punch hole races", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2016/04/01/4"}, {"name": "85798", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/85798"}, {"name": "RHSA-2017:2077", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "https://access.redhat.com/errata/RHSA-2017:2077"}, {"name": "USN-3007-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-3007-1"}, {"name": "RHSA-2017:1842", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "https://access.redhat.com/errata/RHSA-2017:1842"}, {"name": "[debian-lts-announce] 20200609 [SECURITY] [DLA 2241-1] linux security update", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html"}, {"name": "[debian-lts-announce] 20200610 [SECURITY] [DLA 2241-2] linux security update", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2015-8839", "datePublished": "2016-05-02T10:00:00", "dateReserved": "2016-04-01T00:00:00", "dateUpdated": "2024-08-06T08:29:22.094Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "B2207A54-26BD-4745-8C85-232815AB8788", "versionEndIncluding": "4.4.221", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.5:rc1:*:*:*:*:*:*", "matchCriteriaId": "5011ED56-97F0-4754-9C98-B28B806DF6DD", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.5:rc2:*:*:*:*:*:*", "matchCriteriaId": "B7FC0A28-90D9-4DF3-8A2A-49C3D4CB470A", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.5:rc3:*:*:*:*:*:*", "matchCriteriaId": "9D90B29E-F7B6-4EAB-83D2-1C339310D34D", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.5:rc4:*:*:*:*:*:*", "matchCriteriaId": "02A2E198-C184-459C-9B7C-8A9C74A6DCEE", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.5:rc5:*:*:*:*:*:*", "matchCriteriaId": "F091733F-C9E6-4222-8EA0-9DDEC70EB129", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.5:rc6:*:*:*:*:*:*", "matchCriteriaId": "E4736F08-176D-4F49-A59D-E8C0F6DDEC8B", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.5:rc7:*:*:*:*:*:*", "matchCriteriaId": "80AD3822-AE03-412E-8E14-0DAD0BDCA028", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"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", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Multiple race conditions in the ext4 filesystem implementation in the Linux kernel before 4.5 allow local users to cause a denial of service (disk corruption) by writing to a page that is associated with a different user's file after unsynchronized hole punching and page-fault handling."}, {"lang": "es", "value": "M\u00faltiples condiciones de carrera en la implementaci\u00f3n del sistema de archivos ext4 en el kernel de Linux en versiones anteriores a 4.5 permite a usuarios locales provocar una denegaci\u00f3n de servicio (corrupci\u00f3n de disco) escribiendo a una p\u00e1gina que est\u00e1 asociada con un archivo de usuario diferente despu\u00e9s del manejo de hole punching desincronizado y de fallo de p\u00e1gina."}], "id": "CVE-2015-8839", "lastModified": "2024-11-21T02:39:17.640", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 1.9, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.4, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-05-02T10:59:22.110", "references": [{"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ea3d7209ca01da209cda6f0dea8be9cc4b7a933b"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2016/04/01/4"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/85798"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1035455"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://www.ubuntu.com/usn/USN-3005-1"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://www.ubuntu.com/usn/USN-3006-1"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://www.ubuntu.com/usn/USN-3007-1"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2017:1842"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2017:2077"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2017:2669"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1323577"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/torvalds/linux/commit/ea3d7209ca01da209cda6f0dea8be9cc4b7a933b"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ea3d7209ca01da209cda6f0dea8be9cc4b7a933b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2016/04/01/4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/85798"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1035455"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.ubuntu.com/usn/USN-3005-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.ubuntu.com/usn/USN-3006-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.ubuntu.com/usn/USN-3007-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2017:1842"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2017:2077"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2017:2669"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1323577"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/torvalds/linux/commit/ea3d7209ca01da209cda6f0dea8be9cc4b7a933b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-362"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2017:2077", "cpe": "cpe:/a:redhat:rhel_extras_rt:7", "package": "kernel-rt-0:3.10.0-693.rt56.617.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2017-08-01T00:00:00Z"}, {"advisory": "RHSA-2017:1842", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "kernel-0:3.10.0-693.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2017-08-01T00:00:00Z"}, {"advisory": "RHSA-2017:2669", "cpe": "cpe:/a:redhat:enterprise_mrg:2:server:el6", "package": "kernel-rt-1:3.10.0-693.2.1.rt56.585.el6rt", "product_name": "Red Hat Enterprise MRG 2", "release_date": "2017-09-06T00:00:00Z"}], "bugzilla": {"description": "kernel: ext4 filesystem page fault race condition with fallocate call.", "id": "1323577", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1323577"}, "csaw": false, "cvss": {"cvss_base_score": "4.7", "cvss_scoring_vector": "AV:L/AC:M/Au:N/C:N/I:C/A:N", "status": "verified"}, "cwe": "CWE-362", "details": ["Multiple race conditions in the ext4 filesystem implementation in the Linux kernel before 4.5 allow local users to cause a denial of service (disk corruption) by writing to a page that is associated with a different user's file after unsynchronized hole punching and page-fault handling.", "A flaw was found in the Linux kernel when attempting to \"punch a hole\" in files existing on an ext4 filesystem. When punching holes into a file races with the page fault of the same area, it is possible that freed blocks remain referenced from page cache pages mapped to process' address space."], "name": "CVE-2015-8839", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 4"}, {"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": "2016-03-31T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-8839\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-8839"], "statement": "This issue does not affect the Linux kernels as shipped with Red Hat Enterprise Linux 5 and 6.\nThis issue affects the Linux kernels as shipped with Red Hat Enterprise Linux 7 and MRG-2 kernels.", "threat_severity": "Moderate"}