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    CVE-2016-6198

    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.

    Published:Jul 11, 2016
    Last Modified:Apr 12, 2025
    EPS:Aug 6, 2016
    EPSS Score:0.00037
    CVSS Score:5.5

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Oracle
    Product
    Linux
    Vendor
    Oracle
    Product
    Vm Server
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Extras Rt

    Exploits

    http://www.openwall.com/lists/oss-security/2016/07/11/8http://www.openwall.com/lists/oss-security/2016/07/11/8

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    References

    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54d5ca871e72f2bb172ec9323497f01cd5091ec7
    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9409e22acdfc9153f88d9b1ed2bd2a5b34d2d3ca
    http://rhn.redhat.com/errata/RHSA-2016-1847.html
    http://rhn.redhat.com/errata/RHSA-2016-1875.html
    http://rhn.redhat.com/errata/RHSA-2016-2574.html
    http://rhn.redhat.com/errata/RHSA-2016-2584.html
    http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5
    http://www.openwall.com/lists/oss-security/2016/07/11/8
    http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
    http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
    http://www.securityfocus.com/bid/91709
    http://www.securitytracker.com/id/1036273
    https://bugzilla.redhat.com/show_bug.cgi?id=1355654
    https://github.com/torvalds/linux/commit/54d5ca871e72f2bb172ec9323497f01cd5091ec7
    https://github.com/torvalds/linux/commit/9409e22acdfc9153f88d9b1ed2bd2a5b34d2d3ca
    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54d5ca871e72f2bb172ec9323497f01cd5091ec7
    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9409e22acdfc9153f88d9b1ed2bd2a5b34d2d3ca
    http://rhn.redhat.com/errata/RHSA-2016-1847.html
    http://rhn.redhat.com/errata/RHSA-2016-1875.html
    http://rhn.redhat.com/errata/RHSA-2016-2574.html
    http://rhn.redhat.com/errata/RHSA-2016-2584.html
    http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5
    http://www.openwall.com/lists/oss-security/2016/07/11/8
    http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
    http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
    http://www.securityfocus.com/bid/91709
    http://www.securitytracker.com/id/1036273
    https://bugzilla.redhat.com/show_bug.cgi?id=1355654
    https://github.com/torvalds/linux/commit/54d5ca871e72f2bb172ec9323497f01cd5091ec7
    https://github.com/torvalds/linux/commit/9409e22acdfc9153f88d9b1ed2bd2a5b34d2d3ca

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High