CVE-2014-8481

{"id": "CVE-2014-8481", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.9, "accessVector": "LOCAL", "vectorString": "AV:L/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": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2014-11-10T11:55:09.767", "references": [{"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a430c9166312e1aa3d80bce32374233bdbfeba32", "source": "cve@mitre.org"}, {"url": "http://secunia.com/advisories/62042", "source": "cve@mitre.org"}, {"url": "http://thread.gmane.org/gmane.comp.emulators.kvm.devel/128427", "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2014/10/23/7", "tags": ["Exploit"], "source": "cve@mitre.org"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1156615", "source": "cve@mitre.org"}, {"url": "https://github.com/torvalds/linux/commit/a430c9166312e1aa3d80bce32374233bdbfeba32", "tags": ["Exploit"], "source": "cve@mitre.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-399"}]}], "descriptions": [{"lang": "en", "value": "The instruction decoder in arch/x86/kvm/emulate.c in the KVM subsystem in the Linux kernel before 3.18-rc2 does not properly handle invalid instructions, which allows guest OS users to cause a denial of service (NULL pointer dereference and host OS crash) via a crafted application that triggers (1) an improperly fetched instruction or (2) an instruction that occupies too many bytes. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-8480."}, {"lang": "es", "value": "El decodificador de instrucciones en arch/x86/kvm/emulate.c en el subsistema KVM en el kernel de Linux anterior a 3.18-rc2 no maneja debidamente las instrucciones inv\u00e1lidas, lo que permite a usuarios del sistema operativo invitado causar una denegaci\u00f3n de servicio (referencia a puntero nulo y ca\u00edda del sistema operativo anfitri\u00f3n) a trav\u00e9s de una aplicaci\u00f3n manipulada que provoca (1) una instrucci\u00f3n tra\u00edda indebidamente o (2) una instrucci\u00f3n que ocupa demasiados bytes. NOTA: esta vulnerabilidad existe debido a una soluci\u00f3n incompleta para CVE-2014-8480."}], "lastModified": "2023-11-07T02:22:36.230", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1892B391-62DB-4D08-9E2F-049AAA4840AD", "versionEndIncluding": "3.18"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}