mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
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85 lines
4.6 KiB
JSON
85 lines
4.6 KiB
JSON
{
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"id": "CVE-2023-52864",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2024-05-21T16:15:23.317",
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"lastModified": "2024-11-21T08:40:45.090",
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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\nplatform/x86: wmi: Fix opening of char device\n\nSince commit fa1f68db6ca7 (\"drivers: misc: pass miscdevice pointer via\nfile private data\"), the miscdevice stores a pointer to itself inside\nfilp->private_data, which means that private_data will not be NULL when\nwmi_char_open() is called. This might cause memory corruption should\nwmi_char_open() be unable to find its driver, something which can\nhappen when the associated WMI device is deleted in wmi_free_devices().\n\nFix the problem by using the miscdevice pointer to retrieve the WMI\ndevice data associated with a char device using container_of(). This\nalso avoids wmi_char_open() picking a wrong WMI device bound to a\ndriver with the same name as the original driver."
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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: plataforma/x86: wmi: corrige la apertura del dispositivo char. Desde la confirmaci\u00f3n fa1f68db6ca7 (\"drivers: misc: pasar el puntero del dispositivo misc a trav\u00e9s de datos privados del archivo\"), el dispositivo misc almacena un puntero a s\u00ed mismo en su interior. filp->private_data, lo que significa que private_data no ser\u00e1 NULL cuando se llame a wmi_char_open(). Esto podr\u00eda causar da\u00f1os en la memoria si wmi_char_open() no puede encontrar su controlador, algo que puede suceder cuando el dispositivo WMI asociado se elimina en wmi_free_devices(). Solucione el problema utilizando el puntero miscdevice para recuperar los datos del dispositivo WMI asociados con un dispositivo char usando container_of(). Esto tambi\u00e9n evita que wmi_char_open() seleccione un dispositivo WMI incorrecto vinculado a un controlador con el mismo nombre que el controlador original."
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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/36d85fa7ae0d6be651c1a745191fa7ef055db43e",
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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/44a96796d25809502c75771d40ee693c2e44724e",
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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/9fb0eed09e1470cd4021ff52b2b9dfcbcee4c203",
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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/cf098e937dd125c0317a0d6f261ac2a950a233d6",
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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/d426a2955e45a95b2282764105fcfb110a540453",
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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/e0bf076b734a2fab92d8fddc2b8b03462eee7097",
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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/eba9ac7abab91c8f6d351460239108bef5e7a0b6",
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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/fb7b06b59c6887659c6ed0ecd3110835eecbb6a3",
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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/36d85fa7ae0d6be651c1a745191fa7ef055db43e",
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"source": "af854a3a-2127-422b-91ae-364da2661108"
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},
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{
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"url": "https://git.kernel.org/stable/c/44a96796d25809502c75771d40ee693c2e44724e",
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"source": "af854a3a-2127-422b-91ae-364da2661108"
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},
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{
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"url": "https://git.kernel.org/stable/c/9fb0eed09e1470cd4021ff52b2b9dfcbcee4c203",
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"source": "af854a3a-2127-422b-91ae-364da2661108"
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},
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{
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"url": "https://git.kernel.org/stable/c/cf098e937dd125c0317a0d6f261ac2a950a233d6",
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"source": "af854a3a-2127-422b-91ae-364da2661108"
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},
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{
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"url": "https://git.kernel.org/stable/c/d426a2955e45a95b2282764105fcfb110a540453",
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"source": "af854a3a-2127-422b-91ae-364da2661108"
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},
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{
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"url": "https://git.kernel.org/stable/c/e0bf076b734a2fab92d8fddc2b8b03462eee7097",
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"source": "af854a3a-2127-422b-91ae-364da2661108"
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},
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{
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"url": "https://git.kernel.org/stable/c/eba9ac7abab91c8f6d351460239108bef5e7a0b6",
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"source": "af854a3a-2127-422b-91ae-364da2661108"
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},
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{
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"url": "https://git.kernel.org/stable/c/fb7b06b59c6887659c6ed0ecd3110835eecbb6a3",
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"source": "af854a3a-2127-422b-91ae-364da2661108"
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}
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]
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} |