CVE-2016-6516

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2016-07-25T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Race condition in the ioctl_file_dedupe_range function in fs/ioctl.c in the Linux kernel through 4.7 allows local users to cause a denial of service (heap-based buffer overflow) or possibly gain privileges by changing a certain count value, aka a \"double fetch\" vulnerability."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2016-11-25T19:57:01.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/torvalds/linux/commit/10eec60ce79187686e052092e5383c99b4420a20"}, {"name": "92259", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/92259"}, {"name": "[oss-security] 20160731 CVE Request: Linux <= 4.5 double fetch leading to heap overflow", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2016/07/31/6"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=10eec60ce79187686e052092e5383c99b4420a20"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1362457"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2016-6516", "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 ioctl_file_dedupe_range function in fs/ioctl.c in the Linux kernel through 4.7 allows local users to cause a denial of service (heap-based buffer overflow) or possibly gain privileges by changing a certain count value, aka a \"double fetch\" vulnerability."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/torvalds/linux/commit/10eec60ce79187686e052092e5383c99b4420a20", "refsource": "CONFIRM", "url": "https://github.com/torvalds/linux/commit/10eec60ce79187686e052092e5383c99b4420a20"}, {"name": "92259", "refsource": "BID", "url": "http://www.securityfocus.com/bid/92259"}, {"name": "[oss-security] 20160731 CVE Request: Linux <= 4.5 double fetch leading to heap overflow", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2016/07/31/6"}, {"name": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=10eec60ce79187686e052092e5383c99b4420a20", "refsource": "CONFIRM", "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=10eec60ce79187686e052092e5383c99b4420a20"}, {"name": "https://bugzilla.redhat.com/show_bug.cgi?id=1362457", "refsource": "CONFIRM", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1362457"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T01:29:20.273Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/torvalds/linux/commit/10eec60ce79187686e052092e5383c99b4420a20"}, {"name": "92259", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/92259"}, {"name": "[oss-security] 20160731 CVE Request: Linux <= 4.5 double fetch leading to heap overflow", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2016/07/31/6"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=10eec60ce79187686e052092e5383c99b4420a20"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1362457"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2016-6516", "datePublished": "2016-08-06T20:00:00.000Z", "dateReserved": "2016-08-01T00:00:00.000Z", "dateUpdated": "2024-08-06T01:29:20.273Z", "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": "6AF8F457-8A21-4907-BB5E-6193D0DAD885", "versionEndIncluding": "4.7", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Race condition in the ioctl_file_dedupe_range function in fs/ioctl.c in the Linux kernel through 4.7 allows local users to cause a denial of service (heap-based buffer overflow) or possibly gain privileges by changing a certain count value, aka a \"double fetch\" vulnerability."}, {"lang": "es", "value": "Condici\u00f3n de carrera en la funci\u00f3n ioctl_file_dedupe_range en fs/ioctl.c en el kernel de Linux hasta la versi\u00f3n 4.7 permite a usuarios locales provocar una denegaci\u00f3n de servicio (desbordamiento de b\u00fafer basado en memoria din\u00e1mica) o posiblemente obtener privilegios cambiando un cierto valor de recuento, tambi\u00e9n conocido como una vulnerabilidad de \"doble recuperaci\u00f3n\"."}], "id": "CVE-2016-6516", "lastModified": "2026-06-17T00:51:18.483", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.4, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 1.4, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-08-06T20:59:15.893", "references": [{"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=10eec60ce79187686e052092e5383c99b4420a20"}, {"source": "cve@mitre.org", "tags": ["Release Notes"], "url": "http://www.openwall.com/lists/oss-security/2016/07/31/6"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/92259"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Third Party Advisory", "VDB Entry"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1362457"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "https://github.com/torvalds/linux/commit/10eec60ce79187686e052092e5383c99b4420a20"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=10eec60ce79187686e052092e5383c99b4420a20"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes"], "url": "http://www.openwall.com/lists/oss-security/2016/07/31/6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/92259"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory", "VDB Entry"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1362457"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/torvalds/linux/commit/10eec60ce79187686e052092e5383c99b4420a20"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}, {"lang": "en", "value": "CWE-362"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: vfs: ioctl: double fetch leading to heap overflow", "id": "1362457", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1362457"}, "csaw": false, "cvss": {"cvss_base_score": "6.9", "cvss_scoring_vector": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "status": "draft"}, "cvss3": {"cvss3_base_score": "8.4", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["Race condition in the ioctl_file_dedupe_range function in fs/ioctl.c in the Linux kernel through 4.7 allows local users to cause a denial of service (heap-based buffer overflow) or possibly gain privileges by changing a certain count value, aka a \"double fetch\" vulnerability."], "name": "CVE-2016-6516", "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"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2016-07-31T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-6516\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-6516"], "threat_severity": "Important"}

{}