Upstream information
Description
The kvm_emulate_hypercall function in arch/x86/kvm/x86.c in KVM in the Linux kernel 2.6.25-rc1, and other versions before 2.6.31, when running on x86 systems, does not prevent access to MMU hypercalls from ring 0, which allows local guest OS users to cause a denial of service (guest kernel crash) and read or write guest kernel memory via unspecified "random addresses."SUSE information
Overall state of this security issue: Resolved
This issue is currently rated as having important severity.
NVD | |
---|---|
Base Score | 7.2 |
Vector | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Access Vector | Local |
Access Complexity | Low |
Authentication | None |
Confidentiality Impact | Complete |
Integrity Impact | Complete |
Availability Impact | Complete |
SUSE Timeline for this CVE
CVE page created: Tue Jul 9 17:03:05 2013CVE page last modified: Mon Sep 9 17:08:54 2024