CVE-2024-26869

{"id": "CVE-2024-26869", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.0}]}, "published": "2024-04-17T11:15:09.413", "references": [{"url": "https://git.kernel.org/stable/c/04226d8e3c4028dc451e9d8777356ec0f7919253", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/77bfdb89cc222fc7bfe198eda77bdc427d5ac189", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/9f0c4a46be1fe9b97dbe66d49204c1371e3ece65", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c92f2927df860a60ba815d3ee610a944b92a8694", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/04226d8e3c4028dc451e9d8777356ec0f7919253", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/77bfdb89cc222fc7bfe198eda77bdc427d5ac189", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/9f0c4a46be1fe9b97dbe66d49204c1371e3ece65", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/c92f2927df860a60ba815d3ee610a944b92a8694", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-362"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to truncate meta inode pages forcely\n\nBelow race case can cause data corruption:\n\nThread A\t\t\t\tGC thread\n\t\t\t\t\t- gc_data_segment\n\t\t\t\t\t - ra_data_block\n\t\t\t\t\t - locked meta_inode page\n- f2fs_inplace_write_data\n - invalidate_mapping_pages\n : fail to invalidate meta_inode page\n due to lock failure or dirty|writeback\n status\n - f2fs_submit_page_bio\n : write last dirty data to old blkaddr\n\t\t\t\t\t - move_data_block\n\t\t\t\t\t - load old data from meta_inode page\n\t\t\t\t\t - f2fs_submit_page_write\n\t\t\t\t\t : write old data to new blkaddr\n\nBecause invalidate_mapping_pages() will skip invalidating page which\nhas unclear status including locked, dirty, writeback and so on, so\nwe need to use truncate_inode_pages_range() instead of\ninvalidate_mapping_pages() to make sure meta_inode page will be dropped."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: f2fs: correcci\u00f3n para truncar las p\u00e1ginas de meta-inodo a la fuerza El siguiente caso de carrera puede causar corrupci\u00f3n de datos: Hilo Un hilo de GC - gc_data_segment - ra_data_block - p\u00e1gina de meta_inodo bloqueada - f2fs_inplace_write_data - invalidate_mapping_pages: no se puede invalidar meta_inode p\u00e1gina debido a falla de bloqueo o estado sucio|reescritura - f2fs_submit_page_bio: escribe los \u00faltimos datos sucios en el blkaddr antiguo - move_data_block - carga datos antiguos de la p\u00e1gina meta_inode - f2fs_submit_page_write: escribe datos antiguos en el blkaddr nuevo Porque invalidate_mapping_pages() omitir\u00e1 la p\u00e1gina de invalidaci\u00f3n cuyo estado no est\u00e1 claro incluyendo bloqueado, sucio, reescritura, etc., por lo que debemos usar truncate_inode_pages_range() en lugar de invalidate_mapping_pages() para asegurarnos de que la p\u00e1gina meta_inode se elimine."}], "lastModified": "2025-05-07T17:39:20.227", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3E5CF199-446C-49E6-B4B3-115B6F6567B6", "versionEndExcluding": "6.6.23", "versionStartIncluding": "4.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9B95D3A6-E162-47D5-ABFC-F3FA74FA7CFD", "versionEndExcluding": "6.7.11", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "543A75FF-25B8-4046-A514-1EA8EDD87AB1", "versionEndExcluding": "6.8.2", "versionStartIncluding": "6.8"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}