What’s Vulnerable › Vulnerabilities

CVE-2015-1328

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 37.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2016-11-28 · updated 2026-06-17
• Weakness: CWE-264

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.

Affected products

• Canonical Ubuntu Linux: through 15.04
• Linux kernel: through 3.19

References

• http://seclists.org/oss-sec/2015/q2/717
• http://www.exploit-db.com/exploits/40688/
• http://www.securityfocus.com/bid/75206
• https://people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-1328.html
• https://security-tracker.debian.org/tracker/CVE-2015-1328
• https://www.exploit-db.com/exploits/37292/
• http://seclists.org/oss-sec/2015/q2/717
• http://www.exploit-db.com/exploits/40688/
• http://www.securityfocus.com/bid/75206
• https://people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-1328.html
• https://security-tracker.debian.org/tracker/CVE-2015-1328
• https://www.exploit-db.com/exploits/37292/

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