UBUNTU-CVE-2015-8550

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    UBUNTU-CVE-2015-8550

    Published: 17 Dec 2015Last Modified: 7 Sept 2026
    Upstream:
    CVE-2015-8550
    Aliases:
    USN-2846-1
    USN-2847-1
    USN-2848-1

    Summary:

    Details: Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service (host OS crash) or gain privileges by writing to memory shared between the frontend and backend, aka a double fetch vulnerability.

    References: https://ubuntu.com/security/CVE-2015-8550, http://xenbits.xen.org/xsa/advisory-155.html, https://ubuntu.com/security/notices/USN-2846-1, https://ubuntu.com/security/notices/USN-2847-1, https://ubuntu.com/security/notices/USN-2848-1, https://ubuntu.com/security/notices/USN-2849-1, https://ubuntu.com/security/notices/USN-2850-1, https://ubuntu.com/security/notices/USN-2851-1, https://ubuntu.com/security/notices/USN-2853-1, https://ubuntu.com/security/notices/USN-2854-1, https://ubuntu.com/security/notices/USN-2886-2, https://ubuntu.com/security/notices/USN-2891-1, https://www.cve.org/CVERecord?id=CVE-2015-8550

    Affected packages

    Package

    Name: linux

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.13.0-74.118

    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