CVE-2017-10920

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    CVE-2017-10920

    Published: 5 Jul 2017Last Modified: 15 Mar 2026

    Summary:

    Details: The grant-table feature in Xen through 4.8.x mishandles a GNTMAP_device_map and GNTMAP_host_map mapping, when followed by only a GNTMAP_host_map unmapping, which allows guest OS users to cause a denial of service (count mismanagement and memory corruption) or obtain privileged host OS access, aka XSA-224 bug 1.

    References: http://www.securitytracker.com/id/1038734, http://www.debian.org/security/2017/dsa-3969, https://security.gentoo.org/glsa/201708-03, https://security.gentoo.org/glsa/201710-17, https://xenbits.xen.org/xsa/advisory-224.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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