{"id":"UBUNTU-CVE-2015-6640","details":"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.","modified":"2025-10-24T04:45:27Z","published":"2016-01-06T19:59:00Z","upstream":["CVE-2015-6640"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-6640"},{"type":"REPORT","url":"https://android.googlesource.com/kernel%2Fcommon/+/69bfe2d957d903521d32324190c2754cb073be15"},{"type":"REPORT","url":"http://source.android.com/security/bulletin/2016-01-01.html"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-6640"}],"affected":[{"package":{"name":"android","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/android@20160330-0939-0ubuntu1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20150818-1500-0ubuntu2","20150818-1500-0ubuntu3","20160307-0742-0ubuntu3","20160330-0939-0ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"android","binary_version":"20160330-0939-0ubuntu1"},{"binary_name":"android-copyright","binary_version":"20160330-0939-0ubuntu1"},{"binary_name":"android-emulator","binary_version":"20160330-0939-0ubuntu1"},{"binary_name":"ubuntu-emulator-images","binary_version":"20160330-0939-0ubuntu1"},{"binary_name":"ubuntu-emulator-runtime","binary_version":"20160330-0939-0ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-6640.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}