CVE Database · CVE-2016-6197
CVSS v3.1
N/A
EPSS
0.49%
Published
Aug 6, 2016
Modified
May 6, 2026
Public PoC / Exploit (1)
All weaponized →Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
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.
Weaknesses (CWE)
Affected Products (3)
References (20)