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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*", "matchCriteriaId": "9C7AAFE5-7CBE-4AA7-AB93-AA2E7096FDC6", "versionEndIncluding": "8.2.1", "versionStartIncluding": "7.1.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in QEMU 7.1.0 through 8.2.1. register_vfs in hw/pci/pcie_sriov.c does not set NumVFs to PCI_SRIOV_TOTAL_VF, and thus interaction with hw/nvme/ctrl.c is mishandled."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en QEMU 7.1.0 a 8.2.1. Register_vfs en hw/pci/pcie_sriov.c no configura NumVFs en PCI_SRIOV_TOTAL_VF y, por lo tanto, la interacci\u00f3n con hw/nvme/ctrl.c no se maneja correctamente."}], "id": "CVE-2024-26328", "lastModified": "2025-05-07T12:27:30.897", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.0, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.5, "impactScore": 4.0, "source": "[email protected]", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.0, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.5, "impactScore": 4.0, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-02-19T05:15:26.263", "references": [{"source": "[email protected]", "tags": ["Broken Link"], "url": "https://lore.kernel.org/all/20240213055345-mutt-send-email-mst%40kernel.org/"}, {"source": "[email protected]", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20240419-0010/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "https://lore.kernel.org/all/20240213055345-mutt-send-email-mst%40kernel.org/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20240419-0010/"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "[email protected]", "type": "Primary"}]}

{"bugzilla": {"description": "QEMU: NVMe: out-of-bounds memory access in nvme_sriov_pre_write_ctrl()", "id": "2264896", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2264896"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["An issue was discovered in QEMU 7.1.0 through 8.2.1. register_vfs in hw/pci/pcie_sriov.c does not set NumVFs to PCI_SRIOV_TOTAL_VF, and thus interaction with hw/nvme/ctrl.c is mishandled.", "A flaw was found in the NVMe emulation support of QEMU. The register_vfs() function in hw/pci/pcie_sriov.c does not set NumVFs to PCI_SRIOV_TOTAL_VF, causing the interaction with hw/nvme/ctrl.c to be mishandled. This issue could lead to out-of-bounds memory access in hw/nvme. This flaw allows a malicious guest to crash QEMU and cause a denial of service condition."], "name": "CVE-2024-26328", "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: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"}], "public_date": "2024-02-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-26328\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-26328\nhttps://lore.kernel.org/all/[email protected]/"], "statement": "The affected code path can only be reached if dev->exp.sriov_cap is set. For example, if QEMU is explicitly launched with the hw/nvme SR-IOV emulation enabled (parameter `sriov_max_vfs` is set). The emulation is exclusively used to emulate NVMe devices with SR-IOV capabilities for host software development purposes. Thus, the security impact of this CVE is Low.\nThe `qemu-kvm` versions, as shipped with Red Hat Enterprise Linux and RHEL Advanced Virtualization, are not affected by this flaw as they did not include support for NVMe emulation.", "threat_severity": "Low"}