CVE-2015-5166

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    CVE-2015-5166

    Published: 12 Aug 2015Last Modified: 16 Apr 2026

    Summary:

    Details: Use-after-free vulnerability in QEMU in Xen 4.5.x and earlier does not completely unplug emulated block devices, which allows local HVM guest users to gain privileges by unplugging a block device twice.

    References: http://xenbits.xen.org/xsa/advisory-139.html, http://xenbits.xen.org/xsa/advisory-139.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-September/165373.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167792.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167820.html, http://www.securityfocus.com/bid/76152, http://www.securitytracker.com/id/1033175

    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