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CVE-2009-1242

The vmx_set_msr function in arch/x86/kvm/vmx.c in the VMX implementation in the KVM subsystem in the Linux kernel before 2.6.29.1 on the i386 platform allows g…

Impact

The vmx_set_msr function in arch/x86/kvm/vmx.c in the VMX implementation in the KVM subsystem in the Linux kernel before 2.6.29.1 on the i386 platform allows guest OS users to cause a denial of service (OOPS) by setting the EFER_LME (aka "Long mode enable") bit in the Extended Feature Enable Register (EFER) model-specific register, which is specific to the x86_64 platform.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
before 2.6.29.1
OpensuseOpensuse
Versions 11.0, 11.1
DebianDebian Linux
Versions 4.0, 5.0
CanonicalUbuntu Linux
Versions 6.06, 8.04, 8.10, 9.04
FedoraprojectFedora
Version 10

Weakness classification

CWE-20

References