CVE-2023-52762

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Once\nvirtio_max_dma_size() has a larger size than U32_MAX, use U32_MAX\ninstead."}, {"lang": "es", "value": " En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: virtio-blk: corrige el desbordamiento impl\u00edcito en virtio_max_dma_size. Los siguientes c\u00f3digos tienen una conversi\u00f3n impl\u00edcita de size_t a u32: (u32)max_size = (size_t)virtio_max_dma_size(vdev); Esto puede provocar un desbordamiento, Ex (size_t)4G -> (u32)0. Una vez que virtio_max_dma_size() tenga un tama\u00f1o mayor que U32_MAX, use U32_MAX en su lugar."}], "id": "CVE-2023-52762", "lastModified": "2026-06-17T06:43:31.303", "metrics": {"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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-52762", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-09-10T15:37:09.603259Z", "version": "2.0.3"}}]}, "published": "2024-05-21T16:15:15.560", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/017278f141141367f7d14b203e930b45b6ffffb9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/472bd4787406bef2e8b41ee4c74d960a06a49a48"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/72775cad7f572bb2501f9ea609e1d20e68f0b38b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d667fe301dcbcb12d1d6494fc4b8abee2cb75d90"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fafb51a67fb883eb2dde352539df939a251851be"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/017278f141141367f7d14b203e930b45b6ffffb9"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/472bd4787406bef2e8b41ee4c74d960a06a49a48"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/72775cad7f572bb2501f9ea609e1d20e68f0b38b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d667fe301dcbcb12d1d6494fc4b8abee2cb75d90"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fafb51a67fb883eb2dde352539df939a251851be"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2024:5102", "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv", "package": "kernel-rt-0:4.18.0-553.16.1.rt7.357.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-08-08T00:00:00Z"}, {"advisory": "RHSA-2024:5101", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-553.16.1.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-08-08T00:00:00Z"}, {"advisory": "RHSA-2024:9315", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2024:9315", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2025:3935", "cpe": "cpe:/a:redhat:rhel_eus:9.4", "package": "kernel-0:5.14.0-427.65.1.el9_4", "product_name": "Red Hat Enterprise Linux 9.4 Extended Update Support", "release_date": "2025-04-16T00:00:00Z"}], "bugzilla": {"description": "kernel: virtio-blk: fix implicit overflow on virtio_max_dma_size", "id": "2282623", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2282623"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-121", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nvirtio-blk: fix implicit overflow on virtio_max_dma_size\nThe following codes have an implicit conversion from size_t to u32:\n(u32)max_size = (size_t)virtio_max_dma_size(vdev);\nThis may lead overflow, Ex (size_t)4G -> (u32)0. Once\nvirtio_max_dma_size() has a larger size than U32_MAX, use U32_MAX\ninstead."], "name": "CVE-2023-52762", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52762\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52762\nhttps://lore.kernel.org/linux-cve-announce/2024052147-CVE-2023-52762-fe90@gregkh/T"], "threat_severity": "Moderate"}

{}