CVE-2022-48904

{"id": "CVE-2022-48904", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "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:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2024-08-22T02:15:04.980", "references": [{"url": "https://git.kernel.org/stable/c/378e2fe1eb58d5c2ed55c8fe5e11f9db5033cdd6", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/6b0b2d9a6a308bcd9300c2d83000a82812c56cea", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c78627f757e37c2cf386b59c700c4e1574988597", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "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\niommu/amd: Fix I/O page table memory leak\n\nThe current logic updates the I/O page table mode for the domain\nbefore calling the logic to free memory used for the page table.\nThis results in IOMMU page table memory leak, and can be observed\nwhen launching VM w/ pass-through devices.\n\nFix by freeing the memory used for page table before updating the mode."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: iommu/amd: corrige la p\u00e9rdida de memoria de la tabla de p\u00e1ginas de E/S. La l\u00f3gica actual actualiza el modo de tabla de p\u00e1ginas de E/S para el dominio antes de llamar a la l\u00f3gica para liberar la memoria utilizada para la tabla de p\u00e1ginas. Esto da como resultado una p\u00e9rdida de memoria en la tabla de p\u00e1ginas de IOMMU y se puede observar al iniciar VM con dispositivos de paso. Se soluciona liberando la memoria utilizada para la tabla de p\u00e1ginas antes de actualizar el modo."}], "lastModified": "2024-09-12T13:55:34.123", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0124F44D-3165-4025-A6AD-1C47145E6B2A", "versionEndExcluding": "5.15.27", "versionStartIncluding": "5.12"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B871B667-EDC0-435D-909E-E918D8D90995", "versionEndExcluding": "5.16.13", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7BD5F8D9-54FA-4CB0-B4F0-CB0471FDDB2D"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.17:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E6E34B23-78B4-4516-9BD8-61B33F4AC49A"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.17:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C030FA3D-03F4-4FB9-9DBF-D08E5CAC51AA"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.17:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B2D2677C-5389-4AE9-869D-0F881E80D923"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.17:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EFA3917C-C322-4D92-912D-ECE45B2E7416"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.17:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BED18363-5ABC-4639-8BBA-68E771E5BB3F"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}