CVE-2021-47070

{"id": "CVE-2021-47070", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2024-03-01T22:15:46.920", "references": [{"url": "https://git.kernel.org/stable/c/0b0226be3a52dadd965644bc52a807961c2c26df", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/5f59240cf25b2f7a0fdffc2701482a70310fec07", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/0b0226be3a52dadd965644bc52a807961c2c26df", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/5f59240cf25b2f7a0fdffc2701482a70310fec07", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-401"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nuio_hv_generic: Fix another memory leak in error handling paths\n\nMemory allocated by 'vmbus_alloc_ring()' at the beginning of the probe\nfunction is never freed in the error handling path.\n\nAdd the missing 'vmbus_free_ring()' call.\n\nNote that it is already freed in the .remove function."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: uio_hv_generic: soluciona otra p\u00e9rdida de memoria en las rutas de manejo de errores. La memoria asignada por 'vmbus_alloc_ring()' al comienzo de la funci\u00f3n de sondeo nunca se libera en la ruta de manejo de errores. Agregue la llamada 'vmbus_free_ring()' que falta. Tenga en cuenta que ya est\u00e1 liberado en la funci\u00f3n .remove."}], "lastModified": "2025-03-19T16:01:37.590", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "790C6A8A-ED27-498F-8F23-ADA4E5AC71C0", "versionEndExcluding": "5.12.7", "versionStartIncluding": "4.20"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0CBAD0FC-C281-4666-AB2F-F8E6E1165DF7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "96AC23B2-D46A-49D9-8203-8E1BEDCA8532"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}