UBUNTU-CVE-2016-1576

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    UBUNTU-CVE-2016-1576

    Published: 22 Feb 2016Last Modified: 22 Apr 2026
    Upstream:
    CVE-2016-1576
    Aliases:
    USN-2907-1
    USN-2907-2
    USN-2908-1

    Summary:

    Details: 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.

    References: https://ubuntu.com/security/CVE-2016-1576, http://www.halfdog.net/Security/2016/OverlayfsOverFusePrivilegeEscalation/, https://ubuntu.com/security/notices/USN-2910-1, https://ubuntu.com/security/notices/USN-2908-3, https://ubuntu.com/security/notices/USN-2908-1, https://ubuntu.com/security/notices/USN-2907-1, https://ubuntu.com/security/notices/USN-2909-1, https://ubuntu.com/security/notices/USN-2907-2, https://ubuntu.com/security/notices/USN-2908-2, https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/trusty/commit/?id=ce550fb847b34553e63ee95386de59a1096fbfc4, https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/trusty/commit/?id=d77014a9527a4544797b9f1f2026b8e9fe032355, https://www.cve.org/CVERecord?id=CVE-2016-1576

    Affected packages

    Package

    Name: linux

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.13.0-79.123

    Affected versions

    3.11.0-12.19

    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