CVE-2024-42295

{"id": "CVE-2024-42295", "cveTags": [], "metrics": {}, "published": "2024-08-17T09:15:10.017", "references": [{"url": "https://git.kernel.org/stable/c/012be828a118bf496e666ef1fc47fc0e7358ada2", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/02b87e6334a38c65eef49848d3f1ac422f0b2a44", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/19cce46238ffe3546e44b9c74057103ff8b24c62", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/366c3f688dd0288cbe38af1d3a886b5c62372e4a", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/4811f7af6090e8f5a398fbdd766f903ef6c0d787", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/5f0a6800b8aec1b453c7fe4c44fcaac5ffe9d52e", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/be56dfc9be0604291267c07b0e27a69a6bda4899", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/e34191cce3ee63dfa5fb241904aaf2a042d5b6d8", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Awaiting Analysis", "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnilfs2: handle inconsistent state in nilfs_btnode_create_block()\n\nSyzbot reported that a buffer state inconsistency was detected in\nnilfs_btnode_create_block(), triggering a kernel bug.\n\nIt is not appropriate to treat this inconsistency as a bug; it can occur\nif the argument block address (the buffer index of the newly created\nblock) is a virtual block number and has been reallocated due to\ncorruption of the bitmap used to manage its allocation state.\n\nSo, modify nilfs_btnode_create_block() and its callers to treat it as a\npossible filesystem error, rather than triggering a kernel bug."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: nilfs2: maneja el estado inconsistente en nilfs_btnode_create_block() Syzbot inform\u00f3 que se detect\u00f3 una inconsistencia en el estado del b\u00fafer en nilfs_btnode_create_block(), lo que provoc\u00f3 un error en el kernel. No es apropiado tratar esta inconsistencia como un error; puede ocurrir si la direcci\u00f3n del bloque de argumentos (el \u00edndice del b\u00fafer del bloque reci\u00e9n creado) es un n\u00famero de bloque virtual y se ha reasignado debido a la corrupci\u00f3n del mapa de bits utilizado para administrar su estado de asignaci\u00f3n. Por lo tanto, modifique nilfs_btnode_create_block() y sus llamadores para tratarlo como un posible error del sistema de archivos, en lugar de desencadenar un error del kernel."}], "lastModified": "2024-08-19T12:59:59.177", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}