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CVE-2016-6198

CVE-2016-6198

EPSS 0.6%
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.
Affected products
n/a · n/a

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References
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54d5ca871e72f2bb172ec9323497f01cd5091ec7http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9409e22acdfc9153f88d9b1ed2bd2a5b34d2d3cahttp://rhn.redhat.com/errata/RHSA-2016-1847.htmlhttp://rhn.redhat.com/errata/RHSA-2016-1875.htmlhttp://rhn.redhat.com/errata/RHSA-2016-2574.htmlhttp://rhn.redhat.com/errata/RHSA-2016-2584.htmlhttps://bugzilla.redhat.com/show_bug.cgi?id=1355654https://github.com/torvalds/linux/commit/54d5ca871e72f2bb172ec9323497f01cd5091ec7https://github.com/torvalds/linux/commit/9409e22acdfc9153f88d9b1ed2bd2a5b34d2d3cahttp://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5http://www.openwall.com/lists/oss-security/2016/07/11/8http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html