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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:qemu:qemu:4.2.1:*:*:*:*:*:*:*", "matchCriteriaId": "4F4C2DFD-6E58-4B5D-B2B1-F69A2BF35488", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "eth_get_gso_type in net/eth.c in QEMU 4.2.1 allows guest OS users to trigger an assertion failure. A guest can crash the QEMU process via packet data that lacks a valid Layer 3 protocol."}, {"lang": "es", "value": "La funci\u00f3n eth_get_gso_type en el archivo net/eth.c en QEMU versi\u00f3n 4.2.1, permite a usuarios de OS invitados desencadenar un error de aserci\u00f3n. Un invitado puede bloquear el proceso de QEMU por medio de paquetes de datos que carecen de un protocolo de Capa 3 v\u00e1lido"}], "id": "CVE-2020-27617", "lastModified": "2024-11-21T05:21:29.010", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 4.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-11-06T08:15:13.800", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2020/11/02/1"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2020/11/msg00047.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg05731.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20201202-0002/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2020/11/02/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2020/11/msg00047.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg05731.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20201202-0002/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-617"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Gaoning Pan (Zhejiang University) for reporting this issue.", "affected_release": [{"advisory": "RHBA-2021:0639", "cpe": "cpe:/a:redhat:advanced_virtualization:8.3::el8", "package": "virt:8.3-8030120210211160750.71132145", "product_name": "Advanced Virtualization for RHEL 8.3.1", "release_date": "2021-02-22T00:00:00Z"}, {"advisory": "RHBA-2021:0639", "cpe": "cpe:/a:redhat:advanced_virtualization:8.3::el8", "package": "virt-devel:8.3-8030120210211160750.71132145", "product_name": "Advanced Virtualization for RHEL 8.3.1", "release_date": "2021-02-22T00:00:00Z"}, {"advisory": "RHSA-2021:3061", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "virt-devel:rhel-8040020210721215855.522a0ee4", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-08-10T00:00:00Z"}, {"advisory": "RHSA-2021:3061", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "virt:rhel-8040020210721215855.522a0ee4", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-08-10T00:00:00Z"}], "bugzilla": {"description": "QEMU: net: an assert failure via eth_get_gso_type", "id": "1891668", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1891668"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L", "status": "verified"}, "cwe": "CWE-617", "details": ["eth_get_gso_type in net/eth.c in QEMU 4.2.1 allows guest OS users to trigger an assertion failure. A guest can crash the QEMU process via packet data that lacks a valid Layer 3 protocol.", "An assert(3) failure flaw was found in the networking helper functions of QEMU. This vulnerability can occur in the eth_get_gso_type() routine if a packet does not have a valid networking L3 protocol (ex. IPv4, IPv6) value. This flaw allows a guest user to crash the QEMU process on the host, resulting in a denial of service."], "name": "CVE-2020-27617", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kvm", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "xen", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "qemu-kvm", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "qemu-kvm", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "qemu-kvm-ma", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:advanced_virtualization:8::el8", "fix_state": "Affected", "package_name": "virt:8.3/qemu-kvm", "product_name": "Red Hat Enterprise Linux 8 Advanced Virtualization"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "qemu-kvm", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2020-10-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-27617\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-27617\nhttps://bugs.launchpad.net/qemu/+bug/1878067\nhttps://www.openwall.com/lists/oss-security/2020/11/02/1"], "threat_severity": "Low"}

{}