{
  "id": "CVE-2024-49981",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-10-21T18:15:18.670",
  "lastModified": "2024-11-08T16:15:39.567",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: venus: fix use after free bug in venus_remove due to race condition\n\nin venus_probe, core->work is bound with venus_sys_error_handler, which is\nused to handle error. The code use core->sys_err_done to make sync work.\nThe core->work is started in venus_event_notify.\n\nIf we call venus_remove, there might be an unfished work. The possible\nsequence is as follows:\n\nCPU0                  CPU1\n\n                     |venus_sys_error_handler\nvenus_remove         |\nhfi_destroy\t \t\t |\nvenus_hfi_destroy\t |\nkfree(hdev);\t     |\n                     |hfi_reinit\n\t\t\t\t\t |venus_hfi_queues_reinit\n                     |//use hdev\n\nFix it by canceling the work in venus_remove."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: media: venus: se corrige el error de use after free en venus_remove debido a la condici\u00f3n de ejecuci\u00f3n en venus_probe, core->work est\u00e1 vinculado con venus_sys_error_handler, que se usa para manejar el error. El c\u00f3digo usa core->sys_err_done para que funcione la sincronizaci\u00f3n. El core->work se inicia en venus_event_notify. Si llamamos a venus_remove, puede haber un trabajo sin pescar. La secuencia posible es la siguiente: CPU0 CPU1 |venus_sys_error_handler venus_remove | hfi_destroy | venus_hfi_destroy | kfree(hdev); | |hfi_reinit |venus_hfi_queues_reinit |//use hdev Arr\u00e9glelo cancelando el trabajo en venus_remove."
    }
  ],
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        "type": "Primary",
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          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 7.0,
          "baseSeverity": "HIGH",
          "attackVector": "LOCAL",
          "attackComplexity": "HIGH",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 5.9
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      "description": [
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          "value": "CWE-362"
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          "value": "CWE-416"
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