fs/overlayfs/dir.c in the OverlayFS filesystem implementation in the Linux kernel prior to 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.
| Vulnerable Product | Search on Vulmon | Subscribe to Product |
|---|---|---|
oracle linux 6 |
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linux linux kernel |
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oracle vm server 3.4 |
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