{"api_version":"1","generated_at":"2026-07-23T06:37:26+00:00","cve":"CVE-2015-2686","urls":{"html":"https://cve.report/CVE-2015-2686","api":"https://cve.report/api/cve/CVE-2015-2686.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2015-2686","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2015-2686"},"summary":{"title":"CVE-2015-2686","description":"net/socket.c in the Linux kernel 3.19 before 3.19.3 does not validate certain range data for (1) sendto and (2) recvfrom system calls, which allows local users to gain privileges by leveraging a subsystem that uses the copy_from_iter function in the iov_iter interface, as demonstrated by the Bluetooth subsystem.","state":"PUBLISHED","assigner":"mitre","published_at":"2016-05-02 10:59:11","updated_at":"2026-05-06 22:30:45"},"problem_types":["CWE-264","n/a"],"metrics":[{"version":"3.0","source":"nvd@nist.gov","type":"Primary","score":"7.8","severity":"HIGH","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.0","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"7.2","severity":"","vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","data":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:C/I:C/A:C","baseScore":7.2,"accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE"}}],"references":[{"url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4de930efc23b92ddf88ce91c405ee645fe6e27ea","name":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4de930efc23b92ddf88ce91c405ee645fe6e27ea","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"kernel/git/torvalds/linux.git - Linux kernel source tree","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.3","name":"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.3","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"text/plain","httpstatus":"200","archivestatus":"200"},{"url":"http://twitter.com/grsecurity/statuses/579060953477701632","name":"http://twitter.com/grsecurity/statuses/579060953477701632","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"JavaScript is not available.","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/torvalds/linux/commit/4de930efc23b92ddf88ce91c405ee645fe6e27ea","name":"https://github.com/torvalds/linux/commit/4de930efc23b92ddf88ce91c405ee645fe6e27ea","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"net: validate the range we feed to iov_iter_init() in sys_sendto/sys_… · torvalds/linux@4de930e · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://grsecurity.net/~spender/viro.txt","name":"http://grsecurity.net/~spender/viro.txt","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"text/plain","httpstatus":"200","archivestatus":"200"},{"url":"http://www.openwall.com/lists/oss-security/2015/03/23/14","name":"http://www.openwall.com/lists/oss-security/2015/03/23/14","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"oss-security - CVE Request: Linux kernel: sys_sendto/sys_recvfrom does not validate\n the user provided ubuf pointer","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securityfocus.com/bid/73286","name":"http://www.securityfocus.com/bid/73286","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"Linux Kernel 'iov_iter_init()' Function Security Bypass Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"http://twitter.com/grsecurity/statuses/579075689439059968","name":"http://twitter.com/grsecurity/statuses/579075689439059968","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"JavaScript is not available.","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1205242","name":"https://bugzilla.redhat.com/show_bug.cgi?id=1205242","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"1205242 – (CVE-2015-2686) CVE-2015-2686 kernel: sys_sendto/sys_recvfrom does not validate the user provided ubuf pointer","mime":"text/html","httpstatus":"200","archivestatus":"503"},{"url":"http://twitter.com/grsecurity/statuses/579050211605102592","name":"http://twitter.com/grsecurity/statuses/579050211605102592","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"JavaScript is not available.","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-2686","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-2686","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"n/a","product":"n/a","version":"affected n/a","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2015","cve_id":"2686","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"3.19","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2686","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"3.19.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2015","cve_id":"2686","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"3.19.2","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-06T05:24:38.286Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"http://grsecurity.net/~spender/viro.txt"},{"name":"73286","tags":["vdb-entry","x_refsource_BID","x_transferred"],"url":"http://www.securityfocus.com/bid/73286"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4de930efc23b92ddf88ce91c405ee645fe6e27ea"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.3"},{"tags":["x_refsource_MISC","x_transferred"],"url":"http://twitter.com/grsecurity/statuses/579050211605102592"},{"tags":["x_refsource_MISC","x_transferred"],"url":"http://twitter.com/grsecurity/statuses/579060953477701632"},{"tags":["x_refsource_MISC","x_transferred"],"url":"http://twitter.com/grsecurity/statuses/579075689439059968"},{"name":"[oss-security] 20150323 CVE Request: Linux kernel: sys_sendto/sys_recvfrom does not validate the user provided ubuf pointer","tags":["mailing-list","x_refsource_MLIST","x_transferred"],"url":"http://www.openwall.com/lists/oss-security/2015/03/23/14"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://github.com/torvalds/linux/commit/4de930efc23b92ddf88ce91c405ee645fe6e27ea"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1205242"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"datePublic":"2015-03-23T00:00:00.000Z","descriptions":[{"lang":"en","value":"net/socket.c in the Linux kernel 3.19 before 3.19.3 does not validate certain range data for (1) sendto and (2) recvfrom system calls, which allows local users to gain privileges by leveraging a subsystem that uses the copy_from_iter function in the iov_iter interface, as demonstrated by the Bluetooth subsystem."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2016-06-15T11:57:01.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre"},"references":[{"tags":["x_refsource_MISC"],"url":"http://grsecurity.net/~spender/viro.txt"},{"name":"73286","tags":["vdb-entry","x_refsource_BID"],"url":"http://www.securityfocus.com/bid/73286"},{"tags":["x_refsource_CONFIRM"],"url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4de930efc23b92ddf88ce91c405ee645fe6e27ea"},{"tags":["x_refsource_CONFIRM"],"url":"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.3"},{"tags":["x_refsource_MISC"],"url":"http://twitter.com/grsecurity/statuses/579050211605102592"},{"tags":["x_refsource_MISC"],"url":"http://twitter.com/grsecurity/statuses/579060953477701632"},{"tags":["x_refsource_MISC"],"url":"http://twitter.com/grsecurity/statuses/579075689439059968"},{"name":"[oss-security] 20150323 CVE Request: Linux kernel: sys_sendto/sys_recvfrom does not validate the user provided ubuf pointer","tags":["mailing-list","x_refsource_MLIST"],"url":"http://www.openwall.com/lists/oss-security/2015/03/23/14"},{"tags":["x_refsource_CONFIRM"],"url":"https://github.com/torvalds/linux/commit/4de930efc23b92ddf88ce91c405ee645fe6e27ea"},{"tags":["x_refsource_CONFIRM"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1205242"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2015-2686","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":"net/socket.c in the Linux kernel 3.19 before 3.19.3 does not validate certain range data for (1) sendto and (2) recvfrom system calls, which allows local users to gain privileges by leveraging a subsystem that uses the copy_from_iter function in the iov_iter interface, as demonstrated by the Bluetooth subsystem."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"http://grsecurity.net/~spender/viro.txt","refsource":"MISC","url":"http://grsecurity.net/~spender/viro.txt"},{"name":"73286","refsource":"BID","url":"http://www.securityfocus.com/bid/73286"},{"name":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4de930efc23b92ddf88ce91c405ee645fe6e27ea","refsource":"CONFIRM","url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4de930efc23b92ddf88ce91c405ee645fe6e27ea"},{"name":"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.3","refsource":"CONFIRM","url":"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.3"},{"name":"http://twitter.com/grsecurity/statuses/579050211605102592","refsource":"MISC","url":"http://twitter.com/grsecurity/statuses/579050211605102592"},{"name":"http://twitter.com/grsecurity/statuses/579060953477701632","refsource":"MISC","url":"http://twitter.com/grsecurity/statuses/579060953477701632"},{"name":"http://twitter.com/grsecurity/statuses/579075689439059968","refsource":"MISC","url":"http://twitter.com/grsecurity/statuses/579075689439059968"},{"name":"[oss-security] 20150323 CVE Request: Linux kernel: sys_sendto/sys_recvfrom does not validate the user provided ubuf pointer","refsource":"MLIST","url":"http://www.openwall.com/lists/oss-security/2015/03/23/14"},{"name":"https://github.com/torvalds/linux/commit/4de930efc23b92ddf88ce91c405ee645fe6e27ea","refsource":"CONFIRM","url":"https://github.com/torvalds/linux/commit/4de930efc23b92ddf88ce91c405ee645fe6e27ea"},{"name":"https://bugzilla.redhat.com/show_bug.cgi?id=1205242","refsource":"CONFIRM","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1205242"}]}}}},"cveMetadata":{"assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","cveId":"CVE-2015-2686","datePublished":"2016-05-02T10:00:00.000Z","dateReserved":"2015-03-23T00:00:00.000Z","dateUpdated":"2024-08-06T05:24:38.286Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"2016-05-02 10:59:11","lastModifiedDate":"2026-05-06 22:30:45","problem_types":["CWE-264","n/a"],"metrics":{"cvssMetricV30":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"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","baseScore":7.2,"accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE"},"baseSeverity":"HIGH","exploitabilityScore":3.9,"impactScore":10,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:3.19:*:*:*:*:*:*:*","matchCriteriaId":"ECBED6C9-0A30-4753-A68A-153F2EEF983F"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:3.19.1:*:*:*:*:*:*:*","matchCriteriaId":"51A5F344-B5A7-40F1-A583-B0D494FB17B2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:3.19.2:*:*:*:*:*:*:*","matchCriteriaId":"E5ED250F-E683-497D-9193-DE90BB0C2E08"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2015","CveId":"2686","Ordinal":"1","Title":"CVE-2015-2686","CVE":"CVE-2015-2686","Year":"2015"},"notes":[{"CveYear":"2015","CveId":"2686","Ordinal":"1","NoteData":"net/socket.c in the Linux kernel 3.19 before 3.19.3 does not validate certain range data for (1) sendto and (2) recvfrom system calls, which allows local users to gain privileges by leveraging a subsystem that uses the copy_from_iter function in the iov_iter interface, as demonstrated by the Bluetooth subsystem.","Type":"Description","Title":"CVE-2015-2686"},{"CveYear":"2015","CveId":"2686","Ordinal":"2","NoteData":"2016-05-02","Type":"Other","Title":"Published"},{"CveYear":"2015","CveId":"2686","Ordinal":"3","NoteData":"2016-06-15","Type":"Other","Title":"Modified"}]}}}