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.
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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-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 |
USN-3070-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-3070-2 | Linux kernel (Raspberry Pi 2) vulnerabilities |
Ubuntu USN |
USN-3070-3 | Linux kernel (Qualcomm Snapdragon) vulnerabilities |
Ubuntu USN |
USN-3070-4 | Linux kernel (Xenial HWE) vulnerabilities |
References
History
No history.
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-06T01:22:20.648Z
Reserved: 2016-07-11T00:00:00.000Z
Link: CVE-2016-6197
No data.
Status : Modified
Published: 2016-08-06T20:59:12.067
Modified: 2026-05-06T22:30:45.220
Link: CVE-2016-6197
OpenCVE Enrichment
No data.
EUVD
Ubuntu USN