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.
Advisories
Source ID Title
EUVD EUVD EUVD-2016-7130 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.
Ubuntu USN Ubuntu USN USN-3070-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3070-2 Linux kernel (Raspberry Pi 2) vulnerabilities
Ubuntu USN Ubuntu USN USN-3070-3 Linux kernel (Qualcomm Snapdragon) vulnerabilities
Ubuntu USN Ubuntu USN USN-3070-4 Linux kernel (Xenial HWE) vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

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Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

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 : Deferred

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

Modified: 2025-04-12T10:46:40.837

Link: CVE-2016-6197

cve-icon Redhat

Severity : Moderate

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

Links: CVE-2016-6197 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses