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https://github.com/fkie-cad/nvd-json-data-feeds.git
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37 lines
2.9 KiB
JSON
37 lines
2.9 KiB
JSON
{
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"id": "CVE-2024-26869",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2024-04-17T11:15:09.413",
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"lastModified": "2024-04-17T12:48:07.510",
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"vulnStatus": "Awaiting Analysis",
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"cveTags": [],
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"descriptions": [
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{
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"lang": "en",
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"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."
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},
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{
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"lang": "es",
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"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."
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}
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],
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"metrics": {},
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/04226d8e3c4028dc451e9d8777356ec0f7919253",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/77bfdb89cc222fc7bfe198eda77bdc427d5ac189",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/9f0c4a46be1fe9b97dbe66d49204c1371e3ece65",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/c92f2927df860a60ba815d3ee610a944b92a8694",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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}
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]
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} |