CVE-2016-3961

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    CVE-2016-3961

    Published: 15 Apr 2016Last Modified: 16 Apr 2026

    Summary:

    Details: Xen and the Linux kernel through 4.5.x do not properly suppress hugetlbfs support in x86 PV guests, which allows local PV guest OS users to cause a denial of service (guest OS crash) by attempting to access a hugetlbfs mapped area.

    References: http://www.securityfocus.com/bid/86068, http://www.ubuntu.com/usn/USN-3003-1, http://www.ubuntu.com/usn/USN-3004-1, http://www.ubuntu.com/usn/USN-3005-1, http://www.ubuntu.com/usn/USN-3006-1, http://www.debian.org/security/2016/dsa-3607, http://www.securitytracker.com/id/1035569, http://www.ubuntu.com/usn/USN-3002-1, http://www.ubuntu.com/usn/USN-3007-1, http://www.ubuntu.com/usn/USN-3049-1, http://www.ubuntu.com/usn/USN-3050-1, http://xenbits.xen.org/xsa/advisory-174.html, http://www.ubuntu.com/usn/USN-3001-1, http://xenbits.xen.org/xsa/xsa174.patch

    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
    CVE-2016-3961 | CVE-DB