fkie_cve-2022-48971
Vulnerability from fkie_nvd
Published
2024-10-21 20:15
Modified
2024-10-25 15:23
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix not cleanup led when bt_init fails bt_init() calls bt_leds_init() to register led, but if it fails later, bt_leds_cleanup() is not called to unregister it. This can cause panic if the argument "bluetooth-power" in text is freed and then another led_trigger_register() tries to access it: BUG: unable to handle page fault for address: ffffffffc06d3bc0 RIP: 0010:strcmp+0xc/0x30 Call Trace: <TASK> led_trigger_register+0x10d/0x4f0 led_trigger_register_simple+0x7d/0x100 bt_init+0x39/0xf7 [bluetooth] do_one_initcall+0xd0/0x4e0
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2c6cf0afc3856359e620e96edd952457d258e16cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2f3957c7eb4e07df944169a3e50a4d6790e1c744Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5ecf7cd6fde5e72c87122084cf00d63e35d8dd9fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8a66c3a94285552f6a8e45d73b34ebbad11d388bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e7b950458156d410509a08c41930b75e72985938Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/edf7284a98296369dd0891a0457eec37df244873Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.1
linux linux_kernel 6.1
linux linux_kernel 6.1
linux linux_kernel 6.1
linux linux_kernel 6.1
linux linux_kernel 6.1
linux linux_kernel 6.1
linux linux_kernel 6.1


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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: Fix not cleanup led when bt_init fails\n\nbt_init() calls bt_leds_init() to register led, but if it fails later,\nbt_leds_cleanup() is not called to unregister it.\n\nThis can cause panic if the argument \"bluetooth-power\" in text is freed\nand then another led_trigger_register() tries to access it:\n\nBUG: unable to handle page fault for address: ffffffffc06d3bc0\nRIP: 0010:strcmp+0xc/0x30\n  Call Trace:\n    \u003cTASK\u003e\n    led_trigger_register+0x10d/0x4f0\n    led_trigger_register_simple+0x7d/0x100\n    bt_init+0x39/0xf7 [bluetooth]\n    do_one_initcall+0xd0/0x4e0"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Bluetooth: Se solucion\u00f3 el problema de no limpiar el led cuando bt_init fallo bt_init() llama a bt_leds_init() para registrar el led, pero si falla m\u00e1s tarde, no se llama a bt_leds_cleanup() para anular su registro. Esto puede causar p\u00e1nico si se libera el argumento \"bluetooth-power\" en el texto y luego otro led_trigger_register() intenta acceder a \u00e9l: ERROR: no se puede manejar el error de p\u00e1gina para la direcci\u00f3n: ffffffffc06d3bc0 RIP: 0010:strcmp+0xc/0x30 Seguimiento de llamadas:  led_trigger_register+0x10d/0x4f0 led_trigger_register_simple+0x7d/0x100 bt_init+0x39/0xf7 [bluetooth] do_one_initcall+0xd0/0x4e0"
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  "id": "CVE-2022-48971",
  "lastModified": "2024-10-25T15:23:38.807",
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          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
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        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  "published": "2024-10-21T20:15:09.260",
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  "vulnStatus": "Analyzed",
  "weaknesses": [
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          "value": "NVD-CWE-noinfo"
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      "source": "nvd@nist.gov",
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}


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