CVE-2017-10921

CriticalCVSS 10.0/10Last modified Jun 17, 2026

Description

The grant-table feature in Xen through 4.8.x does not ensure sufficient type counts for a GNTMAP_device_map and GNTMAP_host_map mapping, 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 2.

Metrics

CVSS 3.0 10.0/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-119

Affected software

No affected versions have been published.

Timeline

Published: Jul 5, 2017
Last modified: Jun 17, 2026
NVD status: Modified

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