CVE-2009-1242

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"descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "La funci\u00f3n vmx_set_msr en arch/x86/kvm/vmx.c en la implementaci\u00f3n VMX en el subsistema KVM en el kernel de Linux anteriores a v2.6.29.1 en la plataforma i386 permite a los usuarios invitados del SO causar una denegaci\u00f3n de servicio (OOPS) estableciendo el bit EFER_LME (tambi\u00e9n conocido como \"modo largo habilitado\") en la Extended Feature Enable Register (EFER) registro espec\u00edfico de modelo, lo que es espec\u00edfico para la plataforma x86_64."}], "id": "CVE-2009-1242", "lastModified": "2026-06-16T23:06:50.553", 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{"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/49594"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01126.html"}], "sourceIdentifier": "cve@mitre.org", "vendorComments": [{"comment": "Not vulnerable. This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, 5 or Red Hat Enterprise MRG.", "lastModified": "2009-04-07T00:00:00", "organization": "Red Hat"}], "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: x86 guest OS can crash the system by writing to the EFER", "id": "502109", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=502109"}, "csaw": false, "cvss": {"cvss_base_score": "4.7", "cvss_scoring_vector": "AV:L/AC:M/Au:N/C:N/I:N/A:C", "status": "draft"}, "details": ["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."], "name": "CVE-2009-1242", "public_date": "2009-03-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2009-1242"], "statement": "Not vulnerable. This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, 5 or Red Hat Enterprise MRG.", "threat_severity": "Moderate"}

{}