CVE-2022-3872

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{"affected": [{"affectedData": [{"product": "QEMU", "vendor": "n/a", "versions": [{"status": "affected", "version": "Affected: up to latest v7.1.0-rc4"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*", "matchCriteriaId": "2CA070CC-24AA-4C01-9F0F-95510AAD1FEF", "versionEndExcluding": "7.1.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:qemu:qemu:7.1.0:-:*:*:*:*:*:*", "matchCriteriaId": "0B7A9793-EF05-47C7-AD2B-608427BA997D", "vulnerable": true}, {"criteria": "cpe:2.3:a:qemu:qemu:7.1.0:rc0:*:*:*:*:*:*", "matchCriteriaId": "AF2A5D26-797F-4F48-B155-1369E5383A49", "vulnerable": true}, {"criteria": "cpe:2.3:a:qemu:qemu:7.1.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "4CAFFA33-3500-4F26-BAA8-5E7361FAB5CC", "vulnerable": true}, {"criteria": "cpe:2.3:a:qemu:qemu:7.1.0:rc2:*:*:*:*:*:*", "matchCriteriaId": "B01B61C5-2FF3-414E-BFC0-C6629703109E", "vulnerable": true}, {"criteria": "cpe:2.3:a:qemu:qemu:7.1.0:rc3:*:*:*:*:*:*", "matchCriteriaId": "3FF10817-AE56-41F7-B9C6-EE1E77137858", "vulnerable": true}, {"criteria": "cpe:2.3:a:qemu:qemu:7.1.0:rc4:*:*:*:*:*:*", "matchCriteriaId": "E44179B6-664C-40AD-865F-7BB2FAD64C39", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An off-by-one read/write issue was found in the SDHCI device of QEMU. It occurs when reading/writing the Buffer Data Port Register in sdhci_read_dataport and sdhci_write_dataport, respectively, if data_count == block_size. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition."}, {"lang": "es", "value": "Se encontr\u00f3 un problema de lectura/escritura de uno en uno en el dispositivo SDHCI de QEMU. Ocurre al leer/escribir el registro del Puerto de Datos del B\u00fafer en sdhci_read_dataport y sdhci_write_dataport, respectivamente, si data_count == block_size. Un invitado malintencionado podr\u00eda utilizar esta falla para bloquear el proceso QEMU en el host, lo que resultar\u00eda en una condici\u00f3n de denegaci\u00f3n de servicio."}], "id": "CVE-2022-3872", "lastModified": "2026-06-17T05:00:28.647", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.0, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.0, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-3872", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-05-05T20:22:40.169551Z", "version": "2.0.3"}}]}, "published": "2022-11-07T21:15:09.610", "references": [{"source": "secalert@redhat.com", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "https://lists.nongnu.org/archive/html/qemu-devel/2022-11/msg01068.html"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20221215-0005/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "https://lists.nongnu.org/archive/html/qemu-devel/2022-11/msg01068.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20221215-0005/"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-193"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"acknowledgement": "Red Hat would like to thank RivenDell, Siqi Chen, and ningqiang (Huawei) for reporting this issue.", "bugzilla": {"description": "QEMU: sdhci: buffer data port register off-by-one read/write", "id": "2140567", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2140567"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-193", "details": ["An off-by-one read/write issue was found in the SDHCI device of QEMU. It occurs when reading/writing the Buffer Data Port Register in sdhci_read_dataport and sdhci_write_dataport, respectively, if data_count == block_size. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.", "An off-by-one read/write issue was found in the SDHCI device of QEMU. It occurs when reading/writing the Buffer Data Port Register in sdhci_read_dataport and sdhci_write_dataport, respectively, if data_count == block_size. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition."], "name": "CVE-2022-3872", "package_state": [{"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": "Not affected", "package_name": "qemu-kvm", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "qemu-kvm-ma", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "virt:rhel/qemu-kvm", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:advanced_virtualization:8::el8", "fix_state": "Not affected", "package_name": "virt:8.2/qemu-kvm", "product_name": "Red Hat Enterprise Linux 8 Advanced Virtualization"}, {"cpe": "cpe:/a:redhat:advanced_virtualization:8::el8", "fix_state": "Not affected", "package_name": "virt:av/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"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Not affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}], "public_date": "2022-11-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-3872\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-3872"], "statement": "This flaw does not affect the versions of `qemu-kvm` as shipped with Red Hat Enterprise Linux and RHEL Advanced Virtualization, as they do not include support for SDHCI device emulation.", "threat_severity": "Moderate"}

{}