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CVE-2016-6197

CVE-2016-6197

EPSS 0.5%
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.
Produtos afetados
n/a · n/a

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Referências
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=11f3710417d026ea2f4fcf362d866342c5274185http://rhn.redhat.com/errata/RHSA-2016-1847.htmlhttp://rhn.redhat.com/errata/RHSA-2016-1875.htmlhttps://bugzilla.redhat.com/show_bug.cgi?id=1355650https://github.com/torvalds/linux/commit/11f3710417d026ea2f4fcf362d866342c5274185http://www.openwall.com/lists/oss-security/2016/07/11/8http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlhttp://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlhttp://www.securityfocus.com/bid/91709http://www.securitytracker.com/id/1036273http://www.ubuntu.com/usn/USN-3070-1http://www.ubuntu.com/usn/USN-3070-2