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    CVE-2015-8660

    The ovl_setattr function in fs/overlayfs/inode.c in the Linux kernel through 4.3.3 attempts to merge distinct setattr operations, which allows local users to bypass intended access restrictions and modify the attributes of arbitrary overlay files via a crafted application.

    Published:Dec 4, 2015
    Last Modified:Apr 12, 2025
    EPS:Dec 28, 2015
    EPSS Score:0.65431
    CVSS Score:6.7

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Mrg
    Vendor
    Redhat
    Product
    Rhel Extras Rt

    Exploits

    https://www.exploit-db.com/exploits/40688https://github.com/carradolly/CVE-2015-8660https://github.com/nhamle2/CVE-2015-8660https://github.com/whu-enjoy/CVE-2015-8660https://www.exploit-db.com/exploits/39166https://www.exploit-db.com/exploits/39230

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    References

    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=acff81ec2c79492b180fade3c2894425cd35a545
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00039.html
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00040.html
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00043.html
    http://packetstormsecurity.com/files/135151/Ubuntu-14.04-LTS-15.10-overlayfs-Local-Root.html
    http://rhn.redhat.com/errata/RHSA-2016-1532.html
    http://rhn.redhat.com/errata/RHSA-2016-1539.html
    http://rhn.redhat.com/errata/RHSA-2016-1541.html
    http://www.openwall.com/lists/oss-security/2015/12/23/5
    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/79671
    http://www.securitytracker.com/id/1034548
    http://www.ubuntu.com/usn/USN-2857-1
    http://www.ubuntu.com/usn/USN-2857-2
    http://www.ubuntu.com/usn/USN-2858-1
    http://www.ubuntu.com/usn/USN-2858-2
    http://www.ubuntu.com/usn/USN-2858-3
    https://bugzilla.redhat.com/show_bug.cgi?id=1291329
    https://github.com/torvalds/linux/commit/acff81ec2c79492b180fade3c2894425cd35a545
    https://www.exploit-db.com/exploits/39166/
    https://www.exploit-db.com/exploits/39230/
    https://www.exploit-db.com/exploits/40688/
    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=acff81ec2c79492b180fade3c2894425cd35a545
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00039.html
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00040.html
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00043.html
    http://packetstormsecurity.com/files/135151/Ubuntu-14.04-LTS-15.10-overlayfs-Local-Root.html
    http://rhn.redhat.com/errata/RHSA-2016-1532.html
    http://rhn.redhat.com/errata/RHSA-2016-1539.html
    http://rhn.redhat.com/errata/RHSA-2016-1541.html
    http://www.openwall.com/lists/oss-security/2015/12/23/5
    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/79671
    http://www.securitytracker.com/id/1034548
    http://www.ubuntu.com/usn/USN-2857-1
    http://www.ubuntu.com/usn/USN-2857-2
    http://www.ubuntu.com/usn/USN-2858-1
    http://www.ubuntu.com/usn/USN-2858-2
    http://www.ubuntu.com/usn/USN-2858-3
    https://bugzilla.redhat.com/show_bug.cgi?id=1291329
    https://github.com/torvalds/linux/commit/acff81ec2c79492b180fade3c2894425cd35a545
    https://www.exploit-db.com/exploits/39166/
    https://www.exploit-db.com/exploits/39230/
    https://www.exploit-db.com/exploits/40688/

    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