CVE-2015-2152

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    CVE-2015-2152

    Published: 18 Mar 2015Last Modified: 16 Apr 2026

    Summary:

    Details: Xen 4.5.x and earlier enables certain default backends when emulating a VGA device for an x86 HVM guest qemu even when the configuration disables them, which allows local guest users to obtain access to the VGA console by (1) setting the DISPLAY environment variable, when compiled with SDL support, or connecting to the VNC server on (2) ::1 or (3) 127.0.0.1, when not compiled with SDL support.

    References: http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152483.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152588.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152776.html, http://www.securitytracker.com/id/1031806, http://www.securitytracker.com/id/1031919, http://xenbits.xen.org/xsa/advisory-119.html, https://security.gentoo.org/glsa/201504-04, http://xenbits.xen.org/xsa/advisory-119.html, http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00014.html, http://www.securityfocus.com/bid/73068

    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-2015-2152 | CVE-DB