{"id":"CVE-2016-7916","url":"https://www.cyber-defence.io/tools/cve/CVE-2016-7916","generatedAt":"2026-10-28T20:46:43.373Z","title":"Race condition in the environ_read function in fs/proc/base.c in the Linux kernel before 4.5.4 allows local users to obtain sensitive information from kernel memory by reading a /proc/*/environ file during a process-setup time interval in which…","description":"Race condition in the environ_read function in fs/proc/base.c in the Linux kernel before 4.5.4 allows local users to obtain sensitive information from kernel memory by reading a /proc/*/environ file during a process-setup time interval in which environment-variable copying is incomplete.","published":"2016-11-16T05:59:11.000Z","lastModified":"2026-06-17T00:53:45.000Z","status":"Modified","sourceIdentifier":"security@android.com","cvss":{"version":"3.0","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"},"cwe":["CWE-362"],"affected":["linux/linux kernel"],"epss":{"score":0.00388,"percentile":0.32673,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.39%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8148a73c9901a8794a50f950083c00ccf97d43b3","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"security@android.com"},{"url":"http://source.android.com/security/bulletin/2016-11-01.html","tags":["Third Party Advisory"],"source":"security@android.com"},{"url":"http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.4","tags":["Release Notes","Vendor Advisory"],"source":"security@android.com"},{"url":"http://www.securityfocus.com/bid/94138","tags":["Third Party Advisory","VDB Entry"],"source":"security@android.com"},{"url":"http://www.ubuntu.com/usn/USN-3159-1","source":"security@android.com"},{"url":"http://www.ubuntu.com/usn/USN-3159-2","source":"security@android.com"},{"url":"https://bugzilla.kernel.org/show_bug.cgi?id=116461","tags":["Issue Tracking"],"source":"security@android.com"},{"url":"https://forums.grsecurity.net/viewtopic.php?f=3&t=4363","tags":["Issue Tracking"],"source":"security@android.com"},{"url":"https://github.com/torvalds/linux/commit/8148a73c9901a8794a50f950083c00ccf97d43b3","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"security@android.com"},{"url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8148a73c9901a8794a50f950083c00ccf97d43b3","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://source.android.com/security/bulletin/2016-11-01.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.4","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/94138","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-3159-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-3159-2","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.kernel.org/show_bug.cgi?id=116461","tags":["Issue Tracking"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://forums.grsecurity.net/viewtopic.php?f=3&t=4363","tags":["Issue Tracking"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/torvalds/linux/commit/8148a73c9901a8794a50f950083c00ccf97d43b3","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-7916","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}