{
  "id": "CVE-2022-49524",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2025-02-26T07:01:28.407",
  "lastModified": "2025-02-27T19:15:45.433",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: pci: cx23885: Fix the error handling in cx23885_initdev()\n\nWhen the driver fails to call the dma_set_mask(), the driver will get\nthe following splat:\n\n[   55.853884] BUG: KASAN: use-after-free in __process_removed_driver+0x3c/0x240\n[   55.854486] Read of size 8 at addr ffff88810de60408 by task modprobe/590\n[   55.856822] Call Trace:\n[   55.860327]  __process_removed_driver+0x3c/0x240\n[   55.861347]  bus_for_each_dev+0x102/0x160\n[   55.861681]  i2c_del_driver+0x2f/0x50\n\nThis is because the driver has initialized the i2c related resources\nin cx23885_dev_setup() but not released them in error handling, fix this\nbug by modifying the error path that jumps after failing to call the\ndma_set_mask()."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: media: pci: cx23885: Se corrige la gesti\u00f3n de errores en cx23885_initdev() Cuando el controlador no puede llamar a dma_set_mask(), el controlador obtendr\u00e1 el siguiente mensaje: [ 55.853884] ERROR: KASAN: use-after-free en __process_removed_driver+0x3c/0x240 [ 55.854486] Lectura de tama\u00f1o 8 en la direcci\u00f3n ffff88810de60408 por la tarea modprobe/590 [ 55.856822] Seguimiento de llamadas: [ 55.860327] __process_removed_driver+0x3c/0x240 [ 55.861347] bus_for_each_dev+0x102/0x160 [ 55.861681] i2c_del_driver+0x2f/0x50 Esto se debe a que el controlador ha inicializado los recursos relacionados con i2c en cx23885_dev_setup() pero no los liber\u00f3 en la gesti\u00f3n de errores; corrija este error modificando la ruta de error que salta despu\u00e9s de no poder llamar a dma_set_mask()."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/453514a874c78df1e7804e6e3aaa60c8d8deb6a8",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/6041d1a0365baa729b6adfb6ed5386d9388018db",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/7b9978e1c94e569d65a0e7e719abb9340f5db4a0",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/86bd6a579c6c60547706cabf299cd2c9feab3332",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/98106f100f50c487469903b9cf6d966785fc9cc3",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/ca17e7a532d1a55466cc007b3f4d319541a27493",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/e8123311cf06d7dae71e8c5fe78e0510d20cd30b",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/fa636e9ee4442215cd9a2e079cd5a8e1fe0cb8ba",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ]
}