CVE-2016-2853

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    CVE-2016-2853

    Published: 2 May 2016Last Modified: 15 Mar 2026

    Summary:

    Details: The aufs module for the Linux kernel 3.x and 4.x does not properly restrict the mount namespace, which allows local users to gain privileges by mounting an aufs filesystem on top of a FUSE filesystem, and then executing a crafted setuid program.

    References: http://www.securityfocus.com/bid/96839, http://www.openwall.com/lists/oss-security/2021/10/18/1, https://sourceforge.net/p/aufs/mailman/message/34864744/, http://www.halfdog.net/Security/2016/AufsPrivilegeEscalationInUserNamespaces/, http://www.openwall.com/lists/oss-security/2016/02/24/9

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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