CVE-2009-3722

CVE-2009-3722 · HIGH Severity

AV:N/AC:M/AU:N/C:N/I:N/A:C

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.

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