{
  "id": "CVE-2024-35936",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-05-19T11:15:49.480",
  "lastModified": "2024-11-21T09:21:14.507",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "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->offset 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's\n  impossible to find a chunk item there due to alignment and size\n  constraints"
    },
    {
      "lang": "es",
      "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->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"
    }
  ],
  "metrics": {},
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/0d23b34c68c46cd225b55868bc8a269e3134816d",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/1f9212cdbd005bc55f2b7422e7b560d9c02bd1da",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/36c2a2863bc3896243eb724dc3fd4cf9aea633f2",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/576164bd01bd795f8b09fb194b493103506b33c9",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/7411055db5ce64f836aaffd422396af0075fdc99",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/87299cdaae757f3f41212146cfb5b3af416b8385",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/bebd9e0ff90034875c5dfe4bd514fd7055fc7a89",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/d1ffa4ae2d591fdd40471074e79954ec45f147f7",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/0d23b34c68c46cd225b55868bc8a269e3134816d",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://git.kernel.org/stable/c/1f9212cdbd005bc55f2b7422e7b560d9c02bd1da",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://git.kernel.org/stable/c/36c2a2863bc3896243eb724dc3fd4cf9aea633f2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://git.kernel.org/stable/c/576164bd01bd795f8b09fb194b493103506b33c9",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://git.kernel.org/stable/c/7411055db5ce64f836aaffd422396af0075fdc99",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://git.kernel.org/stable/c/87299cdaae757f3f41212146cfb5b3af416b8385",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://git.kernel.org/stable/c/bebd9e0ff90034875c5dfe4bd514fd7055fc7a89",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://git.kernel.org/stable/c/d1ffa4ae2d591fdd40471074e79954ec45f147f7",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ]
}