{"cve":"CVE-2015-6640","nvd":{"published":"2016-01-06T19:59:05.190","modified":"2026-06-17T00:31:10.573","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-264"],"references":["http://source.android.com/security/bulletin/2016-01-01.html","http://www.securitytracker.com/id/1034592","https://android.googlesource.com/kernel%2Fcommon/+/69bfe2d957d903521d32324190c2754cb073be15","http://source.android.com/security/bulletin/2016-01-01.html","http://www.securitytracker.com/id/1034592"],"products":["google:android"],"source":"nvd","synced_at":"2026-10-19T20:37:48.328043465+00:00"},"epss":{"cve":"CVE-2015-6640","score":0.00729,"percentile":0.5423,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}