CVE-2015-8550

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    CVE-2015-8550

    Published: 14 Apr 2016Last Modified: 16 Apr 2026

    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: http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html, http://www.debian.org/security/2016/dsa-3434, http://www.debian.org/security/2016/dsa-3471, http://www.debian.org/security/2016/dsa-3519, http://www.securityfocus.com/bid/79592, http://www.securitytracker.com/id/1034479, http://xenbits.xen.org/xsa/advisory-155.html, https://security.gentoo.org/glsa/201604-03, http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html, http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html, http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html

    Affected packages

    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-2015-8550 | CVE-DB