Upstream information
Description
The handle_dr function in arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel before 2.6.31.1 does not properly verify the Current Privilege Level (CPL) before accessing a debug register, which allows guest OS users to cause a denial of service (trap) on the host OS via a crafted application.SUSE information
Overall state of this security issue: Resolved
This issue is currently rated as having important severity.
| CVSS detail | National Vulnerability Database | 
|---|---|
| Base Score | 7.1 | 
| Vector | AV:N/AC:M/Au:N/C:N/I:N/A:C | 
| Access Vector | Network | 
| Access Complexity | Medium | 
| Authentication | None | 
| Confidentiality Impact | None | 
| Integrity Impact | None | 
| Availability Impact | Complete | 
SUSE Timeline for this CVE
CVE page created: Tue Jul 9 17:12:06 2013CVE page last modified: Mon Oct 6 18:15:59 2025