Medium severity5.5NVD Advisory· Published Aug 6, 2016· Updated Jun 17, 2026
CVE-2016-6197
CVE-2016-6197
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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Affected products
4- cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:*
- cpe:2.3:o:oracle:vm_server:3.4:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
14- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdIssue TrackingPatch
- github.com/torvalds/linux/commit/11f3710417d026ea2f4fcf362d866342c5274185nvdIssue TrackingPatch
- www.openwall.com/lists/oss-security/2016/07/11/8nvdMailing ListThird Party Advisory
- www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlnvdThird Party Advisory
- www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlnvdVendor Advisory
- bugzilla.redhat.com/show_bug.cginvdIssue Tracking
- rhn.redhat.com/errata/RHSA-2016-1847.htmlnvd
- rhn.redhat.com/errata/RHSA-2016-1875.htmlnvd
- www.securityfocus.com/bid/91709nvd
- www.securitytracker.com/id/1036273nvd
- www.ubuntu.com/usn/USN-3070-1nvd
- www.ubuntu.com/usn/USN-3070-2nvd
- www.ubuntu.com/usn/USN-3070-3nvd
- www.ubuntu.com/usn/USN-3070-4nvd
News mentions
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