{
  "id": "CVE-2024-50292",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-11-19T02:16:31.363",
  "lastModified": "2025-01-07T16:10:33.080",
  "vulnStatus": "Analyzed",
  "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."
    }
  ],
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
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        "exploitabilityScore": 1.8,
        "impactScore": 3.6
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