CWE Code: 264
Vulnerability Type: privilege_escalation
CVSS Score: 4.1
CWE Name:  Permissions Privileges and Access Controls
Summary: the x86 emulator in kvm 83, when a guest is configured for symmetric multiprocessing (smp), does not use the current privilege level (cpl) and i/o privilege level (iopl) to restrict instruction execution, which allows guest os users to cause a denial of service (guest os crash) or gain privileges on the guest os by leveraging access to a (1) io port or (2) mmio region, and replacing an instruction in between emulator entry and instruction fetch, a related issue to cve-2010-0298.
Access Authentication: SINGLE
Access Complexity: MEDIUM
Access Vector: LOCAL
Impact (C/I/A): PARTIAL/PARTIAL/PARTIAL
Published Date: 2010-02-12
Last Modified Date: 2017-09-19