Published: 05/07/2017 Updated: 04/11/2017

CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10

CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9

VMScore: 445

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

The grant-table feature in Xen up to and including 4.8.x mishandles MMIO region grant references, which allows guest OS users to cause a denial of service (loss of grant trackability), aka XSA-224 bug 3.

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xen xen

The grant-table feature in Xen through 48x mishandles MMIO region grant references, which allows guest OS users to cause a denial of service (loss of grant trackability), aka XSA-224 bug 3 ...

Description of Problem A number of security issues have been identified within Citrix XenServer These issues could, if exploited, allow a malicious administrator of a guest VM to compromise the host  The issues have the identifiers: CVE-2017-10920, CVE-2017-10921 and CVE-2017-10922 (High): Grant table operations mishandle reference counts C ...

CWE-400 https://xenbits.xen.org/xsa/advisory-224.html http://www.securitytracker.com/id/1038734 https://security.gentoo.org/glsa/201708-03 https://security.gentoo.org/glsa/201710-17 http://www.debian.org/security/2017/dsa-3969 https://nvd.nist.gov https://access.redhat.com/security/cve/cve-2017-10922

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CVE-2017-10922

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