UBUNTU-CVE-2016-3961

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    UBUNTU-CVE-2016-3961

    Published: 15 Apr 2016Last Modified: 26 Aug 2026
    Upstream:
    CVE-2016-3961
    Aliases:
    USN-3001-1
    USN-3002-1
    USN-3003-1

    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: https://ubuntu.com/security/CVE-2016-3961, http://xenbits.xen.org/xsa/advisory-174.html, https://ubuntu.com/security/notices/USN-3001-1, https://ubuntu.com/security/notices/USN-3002-1, https://ubuntu.com/security/notices/USN-3003-1, https://ubuntu.com/security/notices/USN-3004-1, https://ubuntu.com/security/notices/USN-3005-1, https://ubuntu.com/security/notices/USN-3006-1, https://ubuntu.com/security/notices/USN-3007-1, https://ubuntu.com/security/notices/USN-3049-1, https://ubuntu.com/security/notices/USN-3050-1, https://ubuntu.com/security/notices/USN-3127-1, https://ubuntu.com/security/notices/USN-3127-2, https://www.cve.org/CVERecord?id=CVE-2016-3961

    Affected packages

    Package

    Name: linux

    Purl: pkg:deb/ubuntu/linux?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.13.0-101.148

    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