mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
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53 lines
3.4 KiB
JSON
53 lines
3.4 KiB
JSON
{
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"id": "CVE-2022-50179",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2025-06-18T11:15:48.330",
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"lastModified": "2025-06-18T13:47:40.833",
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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\nath9k: fix use-after-free in ath9k_hif_usb_rx_cb\n\nSyzbot reported use-after-free Read in ath9k_hif_usb_rx_cb() [0]. The\nproblem was in incorrect htc_handle->drv_priv initialization.\n\nProbable call trace which can trigger use-after-free:\n\nath9k_htc_probe_device()\n /* htc_handle->drv_priv = priv; */\n ath9k_htc_wait_for_target() <--- Failed\n ieee80211_free_hw()\t\t <--- priv pointer is freed\n\n<IRQ>\n...\nath9k_hif_usb_rx_cb()\n ath9k_hif_usb_rx_stream()\n RX_STAT_INC()\t\t<--- htc_handle->drv_priv access\n\nIn order to not add fancy protection for drv_priv we can move\nhtc_handle->drv_priv initialization at the end of the\nath9k_htc_probe_device() and add helper macro to make\nall *_STAT_* macros NULL safe, since syzbot has reported related NULL\nderef in that macros [1]"
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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: ath9k: correcci\u00f3n del Use-After-Free en ath9k_hif_usb_rx_cb. Syzbot report\u00f3 una lectura de Use-After-Free en ath9k_hif_usb_rx_cb() [0]. El problema resid\u00eda en una inicializaci\u00f3n incorrecta de htc_handle->drv_priv. Posible rastreo de llamadas que puede activar el Use-After-Free: ath9k_htc_probe_device() /* htc_handle->drv_priv = priv; */ ath9k_htc_wait_for_target() <--- Error en ieee80211_free_hw() <--- el puntero privado se liber\u00f3 ... ath9k_hif_usb_rx_cb() ath9k_hif_usb_rx_stream() RX_STAT_INC() <--- acceso a htc_handle->drv_priv Para no agregar protecci\u00f3n sofisticada para drv_priv, podemos mover la inicializaci\u00f3n de htc_handle->drv_priv al final de ath9k_htc_probe_device() y agregar una macro auxiliar para hacer que todas las macros *_STAT_* sean seguras para NULL, ya que syzbot inform\u00f3 una desreferencia NULL relacionada en esas macros [1]"
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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/03ca957c5f7b55660957eda20b5db4110319ac7a",
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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/0ac4827f78c7ffe8eef074bc010e7e34bc22f533",
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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/62bc1ea5c7401d77eaf73d0c6a15f3d2e742856e",
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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/6b14ab47937ba441e75e8dbb9fbfc9c55efa41c6",
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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/ab7a0ddf5f1cdec63cb21840369873806fc36d80",
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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/b66ebac40f64336ae2d053883bee85261060bd27",
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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/e9e21206b8ea62220b486310c61277e7ebfe7cec",
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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/eccd7c3e2596b574241a7670b5b53f5322f470e5",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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}
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]
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} |