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    CVE-2016-2854

    The aufs module for the Linux kernel 3.x and 4.x does not properly maintain POSIX ACL xattr data, which allows local users to gain privileges by leveraging a group-writable setgid directory.

    Published:Feb 24, 2016
    Last Modified:Apr 12, 2025
    EPS:May 2, 2016
    EPSS Score:0.0017
    CVSS Score:7.8

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel

    Exploits

    http://www.halfdog.net/Security/2016/AufsPrivilegeEscalationInUserNamespaces/http://www.openwall.com/lists/oss-security/2016/02/24/9http://www.halfdog.net/Security/2016/AufsPrivilegeEscalationInUserNamespaces/http://www.openwall.com/lists/oss-security/2016/02/24/9https://www.exploit-db.com/exploits/41761

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    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