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Fixed

LIN8-4456 : Security Advisory - linux - CVE-2016-6197

Created: Aug 14, 2016    Updated: Dec 3, 2018
Resolved Date: Aug 24, 2016
Found In Version: 8.0
Fix Version: 8.0.0.9
Severity: Standard
Applicable for: Wind River Linux 8
Component/s: Kernel

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.

http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-6197

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