Security restrictions bypass in Linux kernel - CVE-2015-1328

Vulnerability details

The vulnerability allows a local user to execute arbitrary code.

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 software

How to mitigate CVE-2015-1328

Links to Public Exploits and PoC-codes

• Exploit #11067 - CVE-2015-1328-GoldenEye (kernel exploit) (January 15, 2025)
• Exploit #10356 - Linux Kernel 3.13.0 < 3.19 (Ubuntu 12.04/14.04/14.10/15.04) - 'overlayfs' Privilege Escalation (Access /etc/shadow) (August 10, 2024)
• Exploit #10357 - Linux Kernel 3.13.0 < 3.19 (Ubuntu 12.04/14.04/14.10/15.04) - 'overlayfs' Privilege Escalation (August 10, 2024)

External 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/

Related Security Bulletins

• Security restrictions bypass in Linux kernel