2024-11-19 23:03:24 +00:00

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{
"id": "CVE-2024-50292",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-11-19T02:16:31.363",
"lastModified": "2024-11-19T21:57:32.967",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: stm32: spdifrx: fix dma channel release in stm32_spdifrx_remove\n\nIn case of error when requesting ctrl_chan DMA channel, ctrl_chan is not\nnull. So the release of the dma channel leads to the following issue:\n[ 4.879000] st,stm32-spdifrx 500d0000.audio-controller:\ndma_request_slave_channel error -19\n[ 4.888975] Unable to handle kernel NULL pointer dereference\nat virtual address 000000000000003d\n[...]\n[ 5.096577] Call trace:\n[ 5.099099] dma_release_channel+0x24/0x100\n[ 5.103235] stm32_spdifrx_remove+0x24/0x60 [snd_soc_stm32_spdifrx]\n[ 5.109494] stm32_spdifrx_probe+0x320/0x4c4 [snd_soc_stm32_spdifrx]\n\nTo avoid this issue, release channel only if the pointer is valid."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ASoC: stm32: spdifrx: corrige la liberaci\u00f3n del canal DMA en stm32_spdifrx_remove En caso de error al solicitar el canal DMA ctrl_chan, ctrl_chan no es nulo. Por lo tanto, la liberaci\u00f3n del canal DMA genera el siguiente problema: [4.879000] st,stm32-spdifrx 500d0000.audio-controller: error dma_request_slave_channel -19 [4.888975] No se puede manejar la desreferencia del puntero NULL del n\u00facleo en la direcci\u00f3n virtual 000000000000003d [...] [5.096577] Rastreo de llamadas: [5.099099] dma_release_channel+0x24/0x100 [5.103235] stm32_spdifrx_remove+0x24/0x60 [snd_soc_stm32_spdifrx] [5.109494] stm32_spdifrx_probe+0x320/0x4c4 [snd_soc_stm32_spdifrx] Para evitar este problema, libere el canal solo si el puntero es v\u00e1lido."
}
],
"metrics": {},
"references": [
{
"url": "https://git.kernel.org/stable/c/0d75f887aabd80cf37ea48d28f159afa7850ea28",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/22ae9321054cf7f36c537702af133659f51a0b88",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/23bdbd1ef3e063e03d3c50c15a591b005ebbae39",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/3a977b554f668382dfba31fd62e4cce4fe5643db",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/4f1d74f74752eab8af6b8b28797dc6490d57374c",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/9bb4af400c386374ab1047df44c508512c08c31f",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
]
}