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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2016-08-06T20:00:00

Updated: 2024-08-06T01:22:20.648Z

Reserved: 2016-07-11T00:00:00

Link: CVE-2016-6197

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2016-08-06T20:59:12.067

Modified: 2024-11-21T02:55:39.233

Link: CVE-2016-6197

cve-icon Redhat

Severity : Moderate

Publid Date: 2016-07-11T00:00:00Z

Links: CVE-2016-6197 - Bugzilla