CVEvulnerability
CVE-2017-10921
10.0 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2017-07-05
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 10.0 CRITICAL — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 10.0 HIGH — AV:N/AC:L/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-119
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.
Affected configurations
• xen xen (<= 4.8.1)
Related
Weakness · CWE (1)
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
References
- http://www.debian.org/security/2017/dsa-3969 www.debian.org
- http://www.securitytracker.com/id/1038734 www.securitytracker.com
- https://security.gentoo.org/glsa/201708-03 security.gentoo.org
- https://security.gentoo.org/glsa/201710-17 security.gentoo.org
- https://xenbits.xen.org/xsa/advisory-224.html Patch, Vendor Advisory
- http://www.debian.org/security/2017/dsa-3969 www.debian.org
- http://www.securitytracker.com/id/1038734 www.securitytracker.com
- https://security.gentoo.org/glsa/201708-03 security.gentoo.org
- https://security.gentoo.org/glsa/201710-17 security.gentoo.org
- https://xenbits.xen.org/xsa/advisory-224.html Patch, Vendor Advisory