{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2016-01-15T00:00:00", "descriptions": [{"lang": "en", "value": "QEMU (aka Quick Emulator) built with the TPR optimization for 32-bit Windows guests support is vulnerable to a null pointer dereference flaw. It occurs while doing I/O port write operations via hmp interface. In that, 'current_cpu' remains null, which leads to the null pointer dereference. A user or process could use this flaw to crash the QEMU instance, resulting in DoS issue."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-11-03T18:57:01", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"name": "[oss-security] 20160116 CVE request Qemu: i386: null pointer dereference in vapic_write", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2016/01/16/1"}, {"name": "GLSA-201604-01", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "https://security.gentoo.org/glsa/201604-01"}, {"name": "[oss-security] 20160116 Re: CVE request Qemu: i386: null pointer dereference in vapic_write", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2016/01/16/6"}, {"name": "DSA-3469", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "http://www.debian.org/security/2016/dsa-3469"}, {"name": "DSA-3470", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "http://www.debian.org/security/2016/dsa-3470"}, {"name": "DSA-3471", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "http://www.debian.org/security/2016/dsa-3471"}, {"name": "[qemu-devel] 20160115 [PULL] i386: avoid null pointer dereference", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg02812.html"}, {"name": "81058", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/81058"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1283934"}]}}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2016-1922", "datePublished": "2016-12-29T22:00:00", "dateReserved": "2016-01-16T00:00:00", "dateUpdated": "2017-11-03T18:57:01", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*", "matchCriteriaId": "1E0091D0-CCD9-4017-A266-32576814AE63", "versionEndIncluding": "2.5.1.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "QEMU (aka Quick Emulator) built with the TPR optimization for 32-bit Windows guests support is vulnerable to a null pointer dereference flaw. It occurs while doing I/O port write operations via hmp interface. In that, 'current_cpu' remains null, which leads to the null pointer dereference. A user or process could use this flaw to crash the QEMU instance, resulting in DoS issue."}, {"lang": "es", "value": "QEMU (tambi\u00e9n conocido como Quick Emulator) construido con el soporte de invitados TPR optimization for 32-bit Windows es vulnerable a una falla de referencia puntero null. Ocurre mientras se hacen operaciones de escritura de puerto I/O a trav\u00e9s de interfaz hmp. En eso, 'current_cpu' permanece null, lo que lleva a una referencia de puntero null. Un usuario o proceso podr\u00eda usar esta falla para bloquear la instancia QEMU, resultando en un problema DoS."}], "id": "CVE-2016-1922", "lastModified": "2020-11-10T18:46:02.000", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 2.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-12-29T22:59:00.370", "references": [{"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://www.debian.org/security/2016/dsa-3469"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://www.debian.org/security/2016/dsa-3470"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://www.debian.org/security/2016/dsa-3471"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2016/01/16/1"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2016/01/16/6"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/81058"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1283934"}, {"source": "secalert@redhat.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg02812.html"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201604-01"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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