{"id":"CVE-2015-6640","aliases":["EUVD-2015-6578","GHSA-82j5-hvq2-xqxg","UBUNTU-CVE-2015-6640"],"status":"published","title":"The prctl_set_vma_anon_name function in kernel/sys.c in Android before 5.1.1 LMY49F and 6.0...","description":"The prctl_set_vma_anon_name function in kernel/sys.c in Android before 5.1.1 LMY49F and 6.0 before 2016-01-01 does not ensure that only one vma is accessed in a certain update action, which allows attackers to gain privileges or cause a denial of service (vma list corruption) via a crafted application, aka internal bug 20017123.","severity":{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00729,"percentile":0.54474,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-264"],"published":"2016-01-06T19:00:00Z","modified":"2026-06-17T00:31:10Z","exploits":[{"source":"pocgithub","id":"betalphafai/CVE-2015-6640","title":"betalphafai/CVE-2015-6640","date":"2016-02-15","url":"https://github.com/betalphafai/CVE-2015-6640"}],"affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"android","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20150818-1500-0ubuntu2","20150818-1500-0ubuntu3","20160307-0742-0ubuntu3","20160330-0939-0ubuntu1"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"http://www.securitytracker.com/id/1034592","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://source.android.com/security/bulletin/2016-01-01.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","report"]},{"url":"https://android.googlesource.com/kernel%2Fcommon/+/69bfe2d957d903521d32324190c2754cb073be15","tags":["x_refsource_CONFIRM","x_transferred","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-6640"},{"url":"https://github.com/advisories/GHSA-82j5-hvq2-xqxg"},{"url":"https://ubuntu.com/security/CVE-2015-6640","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-6640","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2015-6640","description":"The prctl_set_vma_anon_name function in kernel/sys.c in Android before 5.1.1 LMY49F and 6.0 before 2016-01-01 does not ensure that only one vma is accessed in a certain update action, which allows attackers to gain privileges or cause a denial of service (vma list corruption) via a crafted application, aka internal bug 20017123.","status":"published","published":"2016-01-06T19:00:00Z","modified":"2024-08-06T07:29:24.295Z","updated_at":"2026-11-02T14:35:42.984856Z"}],"euvd":[{"id":"EUVD-2015-6578","description":"The prctl_set_vma_anon_name function in kernel/sys.c in Android before 5.1.1 LMY49F and 6.0 before 2016-01-01 does not ensure that only one vma is accessed in a certain update action, which allows attackers to gain privileges or cause a denial of service (vma list corruption) via a crafted application, aka internal bug 20017123.","status":"published","published":"2016-01-06T19:00:00Z","modified":"2024-08-06T07:29:24Z","updated_at":"2026-11-03T02:21:55.290228Z"}],"ghsa":[{"id":"GHSA-82j5-hvq2-xqxg","title":"The prctl_set_vma_anon_name function in kernel/sys.c in Android before 5.1.1 LMY49F and 6.0...","description":"The prctl_set_vma_anon_name function in kernel/sys.c in Android before 5.1.1 LMY49F and 6.0 before 2016-01-01 does not ensure that only one vma is accessed in a certain update action, which allows attackers to gain privileges or cause a denial of service (vma list corruption) via a crafted application, aka internal bug 20017123.","status":"published","published":"2022-05-17T03:26:31Z","modified":"2023-01-27T05:08:18Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:43:16.659055Z"}],"nvd":[{"id":"CVE-2015-6640","description":"The prctl_set_vma_anon_name function in kernel/sys.c in Android before 5.1.1 LMY49F and 6.0 before 2016-01-01 does not ensure that only one vma is accessed in a certain update action, which allows attackers to gain privileges or cause a denial of service (vma list corruption) via a crafted application, aka internal bug 20017123.","status":"published","published":"2016-01-06T19:59:05.19Z","modified":"2026-06-17T00:31:10.573Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:03:15.746629Z"}],"osv":[{"id":"UBUNTU-CVE-2015-6640","description":"The prctl_set_vma_anon_name function in kernel/sys.c in Android before 5.1.1 LMY49F and 6.0 before 2016-01-01 does not ensure that only one vma is accessed in a certain update action, which allows attackers to gain privileges or cause a denial of service (vma list corruption) via a crafted application, aka internal bug 20017123.","status":"published","published":"2016-01-06T19:59:00Z","modified":"2025-10-24T04:45:27Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:10.385269Z"}]}}