CVE-2017-10920
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.
- Score
- CVSS 3.0 10.0 Critical
- Status
- Modified - cve@mitre.org
- Published
- 2017-07-05
- Last modified
- 2024-08-05
- Weaknesses
- CWE-119
Affected products
References
- http://www.debian.org/security/2017/dsa-3969
- http://www.securitytracker.com/id/1038734
- https://security.gentoo.org/glsa/201708-03
- https://security.gentoo.org/glsa/201710-17
- https://xenbits.xen.org/xsa/advisory-224.html