CVE-2016-6198
mediumpriority · track · 22EPSS 0.006 · 50 %ileEUUSEPSS · scored 2026-10-28
The filesystem layer in the Linux kernel before 4.5.5 proceeds with post-rename operations after an OverlayFS file is renamed to a self-hardlink, which allows local users to cause a denial of service (system crash) via a rename system call, related to fs/namei.c and fs/open.c.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (4)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (45)
External citations — patches, advisories, analysis.
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54d5ca871e72f2bb172ec9323497f01cd5091ec7cnnvd
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9409e22acdfc9153f88d9b1ed2bd2a5b34d2d3cacnnvd
- http://rhn.redhat.com/errata/RHSA-2016-1847.htmlcnnvd
- http://rhn.redhat.com/errata/RHSA-2016-1875.htmlcnnvd
- http://rhn.redhat.com/errata/RHSA-2016-2574.htmlcnnvd
- http://rhn.redhat.com/errata/RHSA-2016-2584.htmlcnnvd
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5cnnvd
- http://www.openwall.com/lists/oss-security/2016/07/11/8cnnvd
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