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: 2016-08-06
Score: 5.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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Remediation

No vendor fix or workaround currently provided.

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Tracking

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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
History

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Subscriptions

Linux Linux Kernel
Oracle Linux Vm Server
Redhat Enterprise Linux Rhel Extras Rt
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

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

Reserved: 2016-07-11T00:00:00.000Z

Link: CVE-2016-6197

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

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

Modified: 2026-05-06T22:30:45.220

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