CVE-2009-4031

{"id": "CVE-2009-4031", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2009-11-29T13:07:32.250", "references": [{"url": "http://git.kernel.org/?p=linux/kernel/git/avi/kvm.git%3Ba=commit%3Bh=e42d9b8141d1f54ff72ad3850bb110c95a5f3b88", "source": "secalert@redhat.com"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00006.html", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://secunia.com/advisories/37720", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.kernel.org/pub/linux/kernel/v2.6/next/patch-v2.6.32-rc8-next-20091125.gz", "tags": ["Patch", "Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2009/11/25/1", "tags": ["Mailing List", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2009/11/25/3", "tags": ["Mailing List", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.securityfocus.com/bid/37130", "tags": ["Third Party Advisory", "VDB Entry"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=541160", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11089", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00777.html", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://git.kernel.org/?p=linux/kernel/git/avi/kvm.git%3Ba=commit%3Bh=e42d9b8141d1f54ff72ad3850bb110c95a5f3b88", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00006.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://secunia.com/advisories/37720", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.kernel.org/pub/linux/kernel/v2.6/next/patch-v2.6.32-rc8-next-20091125.gz", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2009/11/25/1", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2009/11/25/3", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/bid/37130", "tags": ["Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=541160", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11089", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00777.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "The do_insn_fetch function in arch/x86/kvm/emulate.c in the x86 emulator in the KVM subsystem in the Linux kernel before 2.6.32-rc8-next-20091125 tries to interpret instructions that contain too many bytes to be valid, which allows guest OS users to cause a denial of service (increased scheduling latency) on the host OS via unspecified manipulations related to SMP support."}, {"lang": "es", "value": "La funci\u00f3n do_insn_fetch en arch/x86/kvm/emulate.c en el emulador x86 KVM en el subsystem del kernel de Linux anterior a 2.6.32-rc8-next-20091125 intenta interpretar instrucciones que contienen demasiados bytes para ser v\u00e1lidas, lo que permite a un usuario invitado del sistema operativo provocar una denegaci\u00f3n de servicio (incremento de la latencia de la planificaci\u00f3n) en el sistema operativo anfitri\u00f3n a trav\u00e9s de manipulaciones no especificadas relacionadas con el soporte SMP."}], "lastModified": "2025-04-09T00:30:58.490", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "76B13D5A-329B-4D9B-BFA3-C0DB166F4E18", "versionEndExcluding": "2.6.32"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.32:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "37B2E2B1-3E39-4DBA-817D-08F34D9F6E53"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.32:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C85D4E0A-14DA-4884-AF6F-A0F54304430F"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.32:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1C8471AA-44D7-4D19-82B6-C4B999C65F97"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.32:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "218DE1D1-3843-4076-9AE4-70AA0FD99B3E"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.32:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2677114B-AF05-42EB-BBC8-FA85CD631C21"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.32:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FA8D64E1-A700-4D9E-9063-EC3CFC1A6D98"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.32:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1B6C0A59-556F-4579-9AD2-4ABAE01FE2CF"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.32:rc7:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DBE3083A-0FA6-4854-8F65-05E8364B3A9B"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}