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    Dashboard / CVE / CVE-2016-1576

    CVE-2016-1576

    The overlayfs implementation in the Linux kernel through 4.5.2 does not properly restrict the mount namespace, which allows local users to gain privileges by mounting an overlayfs filesystem on top of a FUSE filesystem, and then executing a crafted setuid program.

    Published:May 2, 2016
    Last Modified:Apr 12, 2025
    EPS:May 2, 2016
    EPSS Score:0.00352
    CVSS Score:7.8

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Core
    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Canonical
    Product
    Ubuntu Touch
    Vendor
    Linux
    Product
    Linux Kernel

    Exploits

    http://www.halfdog.net/Security/2016/OverlayfsOverFusePrivilegeEscalation/http://www.halfdog.net/Security/2016/OverlayfsOverFusePrivilegeEscalation/https://www.exploit-db.com/exploits/41763

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    References

    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9f57ebcba563e0cd532926cab83c92bb4d79360
    http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1576.html
    http://www.halfdog.net/Security/2016/OverlayfsOverFusePrivilegeEscalation/
    http://www.openwall.com/lists/oss-security/2016/02/24/8
    http://www.openwall.com/lists/oss-security/2021/10/18/1
    https://bugs.launchpad.net/bugs/1535150
    https://launchpadlibrarian.net/235300093/0005-overlayfs-Be-more-careful-about-copying-up-sxid-file.patch
    https://launchpadlibrarian.net/235300225/0006-overlayfs-Propogate-nosuid-from-lower-and-upper-moun.patch
    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9f57ebcba563e0cd532926cab83c92bb4d79360
    http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1576.html
    http://www.halfdog.net/Security/2016/OverlayfsOverFusePrivilegeEscalation/
    http://www.openwall.com/lists/oss-security/2016/02/24/8
    http://www.openwall.com/lists/oss-security/2021/10/18/1
    https://bugs.launchpad.net/bugs/1535150
    https://launchpadlibrarian.net/235300093/0005-overlayfs-Be-more-careful-about-copying-up-sxid-file.patch
    https://launchpadlibrarian.net/235300225/0006-overlayfs-Propogate-nosuid-from-lower-and-upper-moun.patch

    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