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VULNERABILITIES

CVE-2017-10921 Details

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.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:10 CRITICALVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://security.gentoo.org/glsa/201708-03 CVE
https://security.gentoo.org/glsa/201710-17 CVE
https://xenbits.xen.org/xsa/advisory-224.html CVEPatchVendor Advisory
http://www.debian.org/security/2017/dsa-3969 CVE
http://www.securitytracker.com/id/1038734 CVE

see all 10 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer[email protected]

Affected Products

ProductVersions
xen xen
<= 4.8.1

CPE

  • cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

10 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2017-10921
NVD Published Date:
Jul 5, 2017
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2017-10921 Details - Not Deferred