Security Advisory

CVE-2016-6197

5.5
MEDIUM

Vulnerability Description

fs/overlayfs/dir.c in the OverlayFS filesystem implementation in the Linux kernel before 4.6 does not properly verify the upper dentry before proceeding with unlink and rename system-call processing, which allows local users to cause a denial of service (system crash) via a rename system call that specifies a self-hardlink.
Published Date August 6, 2016
Official Source NIST NVD Advisory