{"id":"CVE-2015-1328","url":"https://www.cyber-defence.io/tools/cve/CVE-2015-1328","generatedAt":"2026-11-05T05:11:18.615Z","title":"The overlayfs implementation in the linux (aka Linux kernel) package before 3.19.0-21.21 in Ubuntu through 15.04 does not properly check permissions for file creation in the upper filesystem directory, which allows local users to obtain root access by…","description":"The overlayfs implementation in the linux (aka Linux kernel) package before 3.19.0-21.21 in Ubuntu through 15.04 does not properly check permissions for file creation in the upper filesystem directory, which allows local users to obtain root access by leveraging a configuration in which overlayfs is permitted in an arbitrary mount namespace.","published":"2016-11-28T03:59:00.000Z","lastModified":"2026-06-17T00:22:12.000Z","status":"Modified","sourceIdentifier":"security@ubuntu.com","cvss":{"version":"3.0","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"},"cwe":["CWE-264"],"affected":["canonical/ubuntu linux","linux/linux kernel"],"epss":{"score":0.37679,"percentile":0.98543,"date":"2026-11-04","history":[{"date":"2026-09-21","score":0.39031,"percentile":0.98569},{"date":"2026-09-22","score":0.37679,"percentile":0.98472}]},"kev":{"listed":false},"exploits":{"count":3,"verified":true,"firstPublished":"2015-06-16","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":40688,"kind":"exploit","title":"Linux Kernel (Ubuntu / Fedora / RedHat) - 'Overlayfs' Local Privilege Escalation (Metasploit)","url":"https://www.exploit-db.com/exploits/40688","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/local/40688.rb","file":"exploits/linux/local/40688.rb","published":"2016-11-02","added":"2016-11-02","updated":"2016-11-02","author":"Metasploit","type":"local","platform":"linux","port":null,"verified":true,"codes":["CVE-2015-1328","CVE-2015-8660"],"tags":"Metasploit Framework (MSF)","aliases":null,"applicationUrl":"http://www.exploit-db.comlinux-4.3.3.tar.xz","screenshotUrl":null,"referenceUrl":null},{"edbId":37293,"kind":"exploit","title":"Linux Kernel 3.13.0 < 3.19 (Ubuntu 12.04/14.04/14.10/15.04) - 'overlayfs' Local Privilege Escalation (Access /etc/shadow)","url":"https://www.exploit-db.com/exploits/37293","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/local/37293.txt","file":"exploits/linux/local/37293.txt","published":"2015-06-16","added":"2015-06-16","updated":"2019-03-29","author":"rebel","type":"local","platform":"linux","port":null,"verified":true,"codes":["CVE-2015-1328","OSVDB-123362"],"tags":null,"aliases":"create-namespace","applicationUrl":null,"screenshotUrl":null,"referenceUrl":null},{"edbId":37292,"kind":"exploit","title":"Linux Kernel 3.13.0 < 3.19 (Ubuntu 12.04/14.04/14.10/15.04) - 'overlayfs' Local Privilege Escalation","url":"https://www.exploit-db.com/exploits/37292","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/local/37292.c","file":"exploits/linux/local/37292.c","published":"2015-06-16","added":"2015-06-16","updated":"2015-06-16","author":"rebel","type":"local","platform":"linux","port":null,"verified":true,"codes":["CVE-2015-1328"],"tags":null,"aliases":"ofs.c;ofs;overlayfs","applicationUrl":null,"screenshotUrl":"http://www.exploit-db.com/screenshots/idlt37500/screen-shot-2015-06-16-at-104028.png","referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 37.7%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://seclists.org/oss-sec/2015/q2/717","tags":["Mailing List","Third Party Advisory"],"source":"security@ubuntu.com"},{"url":"http://www.exploit-db.com/exploits/40688/","tags":["Exploit","VDB Entry"],"source":"security@ubuntu.com"},{"url":"http://www.securityfocus.com/bid/75206","tags":["Third Party Advisory","VDB Entry"],"source":"security@ubuntu.com"},{"url":"https://people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-1328.html","tags":["Vendor Advisory"],"source":"security@ubuntu.com"},{"url":"https://security-tracker.debian.org/tracker/CVE-2015-1328","tags":["Third Party Advisory"],"source":"security@ubuntu.com"},{"url":"https://www.exploit-db.com/exploits/37292/","source":"security@ubuntu.com"},{"url":"http://seclists.org/oss-sec/2015/q2/717","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.exploit-db.com/exploits/40688/","tags":["Exploit","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/75206","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-1328.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security-tracker.debian.org/tracker/CVE-2015-1328","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/37292/","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2015-1328","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."}