CVE-2009-1242

MediumCVSS 4.9/10Last modified Jun 16, 2026

Description

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.

Metrics

CVSS 2.0 4.9/10AV:L/AC:L/Au:N/C:N/I:N/A:C

Weakness enumeration

CWE-20

Affected software

No affected versions have been published.

Timeline

Published: Apr 6, 2009
Last modified: Jun 16, 2026
NVD status: Modified

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