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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.

oval:org.mitre.oval:def:9892

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.

Family:
unix
Status:
ACCEPTED
Platform(s):
  • Oracle Linux 5
  • CentOS Linux 5
  • Red Hat Enterprise Linux 5
Class:
vulnerability
Reference(s):
  • CVE-2009-3722
Product(s):