cve/2014/CVE-2014-7970.md

CVE-2014-7970

Description

The pivot_root implementation in fs/namespace.c in the Linux kernel through 3.17 does not properly interact with certain locations of a chroot directory, which allows local users to cause a denial of service (mount-tree loop) via . (dot) values in both arguments to the pivot_root system call.

POC

Reference

• http://www.openwall.com/lists/oss-security/2014/10/08/21
• http://www.ubuntu.com/usn/USN-2514-1

Github

No PoCs found on GitHub currently.