CVE-2015-1328

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.

• CWE-264

• http://seclists.org/oss-sec/2015/q2/717Mailing List, Third Party Advisory
• http://www.exploit-db.com/exploits/40688/Exploit, VDB Entry
• http://www.securityfocus.com/bid/75206Third Party Advisory, VDB Entry
• https://people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-1328.htmlVendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2015-1328Third Party Advisory
• https://www.exploit-db.com/exploits/37292/
• http://seclists.org/oss-sec/2015/q2/717Mailing List, Third Party Advisory
• http://www.exploit-db.com/exploits/40688/Exploit, VDB Entry
• http://www.securityfocus.com/bid/75206Third Party Advisory, VDB Entry
• https://people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-1328.htmlVendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2015-1328Third Party Advisory
• https://www.exploit-db.com/exploits/37292/

Published

Nov 28, 2016

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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