"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."
"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."