{ "id": "CVE-2016-2197", "sourceIdentifier": "secalert@redhat.com", "published": "2016-12-29T22:59:00.450", "lastModified": "2020-11-10T19:01:20.190", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "QEMU (aka Quick Emulator) built with an IDE AHCI emulation support is vulnerable to a null pointer dereference flaw. It occurs while unmapping the Frame Information Structure (FIS) and Command List Block (CLB) entries. A privileged user inside guest could use this flaw to crash the QEMU process instance resulting in DoS." }, { "lang": "es", "value": "QEMU (tambi\u00e9n conocido como Quick Emulator) construido con un soporte de emulaci\u00f3n IDE AHCI es vulnerable a una falla de referencia de puntero null. Ocurre mientras se desprograman las entradas Frame Information Structure (FIS) y Command List Block (CLB). Un usuario privilegiado dentro del hu\u00e9sped podr\u00eda utilizar esta falla para bloquear la instancia de proceso QEMU resultando en DoS." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 2.1 }, "baseSeverity": "LOW", "exploitabilityScore": 3.9, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-476" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*", "versionEndIncluding": "2.5.1.1", "matchCriteriaId": "1E0091D0-CCD9-4017-A266-32576814AE63" } ] } ] } ], "references": [ { "url": "http://www.openwall.com/lists/oss-security/2016/01/29/2", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://www.openwall.com/lists/oss-security/2016/01/30/1", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://www.securityfocus.com/bid/82235", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1302057", "source": "secalert@redhat.com", "tags": [ "Issue Tracking" ] }, { "url": "https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg05742.html", "source": "secalert@redhat.com", "tags": [ "Patch", "Vendor Advisory" ] }, { "url": "https://security.gentoo.org/glsa/201604-01", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] } ] }