CWE Code: 189
Vulnerability Type: privilege_escalation
CVSS Score: 4.6
CWE Name:  Numeric Errors
Summary: the kvm_iommu_map_pages function in virt/kvm/iommu.c in the linux kernel through 3.17.2 miscalculates the number of pages during the handling of a mapping failure, which allows guest os users to cause a denial of service (host os page unpinning) or possibly have unspecified other impact by leveraging guest os privileges.  note: this vulnerability exists because of an incorrect fix for cve-2014-3601.
Access Authentication: NONE
Access Complexity: LOW
Access Vector: LOCAL
Impact (C/I/A): PARTIAL/PARTIAL/PARTIAL
Published Date: 2014-11-10
Last Modified Date: 2015-06-04