VULNERABILITY INTELLIGENCE
CVE-2009-1242
CVSS score4.9 MEDIUM
EPSS probability0.47%
CISA KEVNot currently listed
Published2009-04-06
Last modified2026-06-16
CVSS vectorAV:L/AC:L/Au:N/C:N/I:N/A:C
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.
Weakness classification
- CWE-20: Improper Input Validation
Primary references
- cve@mitre.org
- cve@mitre.org — Mailing List, Third Party Advisory
- cve@mitre.org — Mailing List, Third Party Advisory
- cve@mitre.org — Mailing List, Patch, Third Party Advisory
- cve@mitre.org — Patch, Vendor Advisory
- cve@mitre.org — Third Party Advisory
- cve@mitre.org — Third Party Advisory
- cve@mitre.org — Third Party Advisory
- cve@mitre.org — Third Party Advisory
- cve@mitre.org — Third Party Advisory
- cve@mitre.org — Third Party Advisory
- cve@mitre.org — Third Party Advisory