DescriptionThe x86 emulator in KVM 83, when a guest is configured for Symmetric Multiprocessing (SMP), does not properly restrict writing of segment selectors to segment registers, which might allow 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.
Overall state of this security issue: Resolved
This issue is currently rated as having moderate severity.
|National Vulnerability Database|
SUSE Timeline for this CVECVE page created: Fri Jun 28 03:35:22 2013
CVE page last modified: Fri Oct 7 12:45:52 2022