CVE-2022-49996

{"id": "CVE-2022-49996", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "[email protected]", "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": "2025-06-18T11:15:27.337", "references": [{"url": "https://git.kernel.org/stable/c/4b124ad87244cd7f0883c5eaa38d2326b2154cad", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/5f52402c77013e4a826394b807dd5ea4dc83bd72", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/9ea0106a7a3d8116860712e3f17cd52ce99f6707", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-401"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix possible memory leak in btrfs_get_dev_args_from_path()\n\nIn btrfs_get_dev_args_from_path(), btrfs_get_bdev_and_sb() can fail if\nthe path is invalid. In this case, btrfs_get_dev_args_from_path()\nreturns directly without freeing args->uuid and args->fsid allocated\nbefore, which causes memory leak.\n\nTo fix these possible leaks, when btrfs_get_bdev_and_sb() fails,\nbtrfs_put_dev_args_from_path() is called to clean up the memory."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: btrfs: se corrige una posible p\u00e9rdida de memoria en btrfs_get_dev_args_from_path(). En btrfs_get_dev_args_from_path(), btrfs_get_bdev_and_sb() puede fallar si la ruta no es v\u00e1lida. En este caso, btrfs_get_dev_args_from_path() retorna directamente sin liberar los argumentos args->uuid y args->fsid asignados previamente, lo que provoca una p\u00e9rdida de memoria. Para corregir estas posibles p\u00e9rdidas, cuando btrfs_get_bdev_and_sb() falla, se llama a btrfs_put_dev_args_from_path() para limpiar la memoria."}], "lastModified": "2025-11-14T18:11:32.577", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CE945E53-BEF5-4654-8E87-808C7B7233C4", "versionEndExcluding": "5.15.64", "versionStartIncluding": "5.15.54"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "89E99903-E16D-475D-954B-2BAC46C98262", "versionEndExcluding": "5.19.6", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.0:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E8BD11A3-8643-49B6-BADE-5029A0117325"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.0:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5F0AD220-F6A9-4012-8636-155F1B841FAD"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}