FKIE_CVE-2024-35936
Vulnerability from fkie_nvd - Published: 2024-05-19 11:15 - Updated: 2025-12-17 03:39
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
btrfs: handle chunk tree lookup error in btrfs_relocate_sys_chunks()
The unhandled case in btrfs_relocate_sys_chunks() loop is a corruption,
as it could be caused only by two impossible conditions:
- at first the search key is set up to look for a chunk tree item, with
offset -1, this is an inexact search and the key->offset will contain
the correct offset upon a successful search, a valid chunk tree item
cannot have an offset -1
- after first successful search, the found_key corresponds to a chunk
item, the offset is decremented by 1 before the next loop, it's
impossible to find a chunk item there due to alignment and size
constraints
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| debian | debian_linux | 10.0 |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: handle chunk tree lookup error in btrfs_relocate_sys_chunks()\n\nThe unhandled case in btrfs_relocate_sys_chunks() loop is a corruption,\nas it could be caused only by two impossible conditions:\n\n- at first the search key is set up to look for a chunk tree item, with\n offset -1, this is an inexact search and the key-\u003eoffset will contain\n the correct offset upon a successful search, a valid chunk tree item\n cannot have an offset -1\n\n- after first successful search, the found_key corresponds to a chunk\n item, the offset is decremented by 1 before the next loop, it\u0027s\n impossible to find a chunk item there due to alignment and size\n constraints"
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"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: btrfs: maneja el error de b\u00fasqueda del \u00e1rbol de fragmentos en btrfs_relocate_sys_chunks() El caso no controlado en el bucle btrfs_relocate_sys_chunks() es una corrupci\u00f3n, ya que solo podr\u00eda ser causado por dos condiciones imposibles: - al principio el La clave de b\u00fasqueda est\u00e1 configurada para buscar un elemento del \u00e1rbol de fragmentos, con desplazamiento -1, esta es una b\u00fasqueda inexacta y la clave-\u0026gt;desplazamiento contendr\u00e1 el desplazamiento correcto tras una b\u00fasqueda exitosa, un elemento de \u00e1rbol de fragmentos v\u00e1lido no puede tener un desplazamiento -1 - despu\u00e9s de la primera b\u00fasqueda exitosa, found_key corresponde a un elemento fragmentado, el desplazamiento se reduce en 1 antes del siguiente ciclo, es imposible encontrar un elemento fragmentado all\u00ed debido a restricciones de alineaci\u00f3n y tama\u00f1o"
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"id": "CVE-2024-35936",
"lastModified": "2025-12-17T03:39:45.193",
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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