CVE-2009-4004

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "BEC4349F-7F67-435F-8909-94648A0E8F90", "versionEndIncluding": "2.6.31.14", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.32:-:*:*:*:*:*:*", "matchCriteriaId": "37B2E2B1-3E39-4DBA-817D-08F34D9F6E53", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.32:rc1:*:*:*:*:*:*", "matchCriteriaId": "C85D4E0A-14DA-4884-AF6F-A0F54304430F", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.32:rc2:*:*:*:*:*:*", "matchCriteriaId": "1C8471AA-44D7-4D19-82B6-C4B999C65F97", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.32:rc3:*:*:*:*:*:*", "matchCriteriaId": "218DE1D1-3843-4076-9AE4-70AA0FD99B3E", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.32:rc4:*:*:*:*:*:*", "matchCriteriaId": "2677114B-AF05-42EB-BBC8-FA85CD631C21", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.32:rc5:*:*:*:*:*:*", "matchCriteriaId": "FA8D64E1-A700-4D9E-9063-EC3CFC1A6D98", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.32:rc6:*:*:*:*:*:*", "matchCriteriaId": "1B6C0A59-556F-4579-9AD2-4ABAE01FE2CF", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Buffer overflow in the kvm_vcpu_ioctl_x86_setup_mce function in arch/x86/kvm/x86.c in the KVM subsystem in the Linux kernel before 2.6.32-rc7 allows local users to cause a denial of service (memory corruption) or possibly gain privileges via a KVM_X86_SETUP_MCE IOCTL request that specifies a large number of Machine Check Exception (MCE) banks."}, {"lang": "es", "value": "Desbordamiento de b\u00fafer en la funci\u00f3n kvm_vcpu_ioctl_x86_setup_mce en arch/x86/kvm/x86.c en el subsistema KVM en el kernel de Linux anteriores a v2.6.32-rc7 permite a los usuarios locales causar una denegaci\u00f3n de servicio (corrupci\u00f3n de memoria) o posiblemente obtener privilegios a trav\u00e9s de una petici\u00f3n KVM_X86_SETUP_MCE IOCTL que especifica un elevado n\u00famero de bancos de Machine Check Exception (MCE)."}], "id": "CVE-2009-4004", "lastModified": "2026-06-16T23:12:48.373", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2009-11-20T02:30:00.670", "references": [{"source": "cve@mitre.org", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a9e38c3e01ad242fe2a625354cf065c34b01e3aa"}, {"source": "cve@mitre.org", "tags": ["Broken Link", "Vendor Advisory"], "url": "http://secunia.com/advisories/37357"}, {"source": "cve@mitre.org", "tags": ["Broken Link"], "url": "http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.32-rc7"}, {"source": "cve@mitre.org", "tags": ["Third Party 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"af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "http://www.vupen.com/english/advisories/2009/3267"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/54302"}], "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 3, 4, and Red Hat Enterprise MRG as KVM (Kernel-based Virtual Machine) is only supported in Red Hat Enterprise Linux 5.\n\nRed Hat Enterprise Linux 5 is not vulnerable to this issue because it does not include the change that introduced this buffer overflow vulnerability.", "lastModified": "2009-11-20T00:00:00", "organization": "Red Hat"}], "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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