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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{
   configurations: [
      {
         nodes: [
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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    <TASK>\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 solucionó 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 más tarde, no se llama a bt_leds_cleanup() para anular su registro. Esto puede causar pánico si se libera el argumento \"bluetooth-power\" en el texto y luego otro led_trigger_register() intenta acceder a él: ERROR: no se puede manejar el error de página para la dirección: 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",
      },
   ],
   id: "CVE-2022-48971",
   lastModified: "2024-10-25T15:23:38.807",
   metrics: {
      cvssMetricV31: [
         {
            cvssData: {
               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",
            },
            exploitabilityScore: 1.8,
            impactScore: 3.6,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2024-10-21T20:15:09.260",
   references: [
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/2c6cf0afc3856359e620e96edd952457d258e16c",
      },
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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         url: "https://git.kernel.org/stable/c/edf7284a98296369dd0891a0457eec37df244873",
      },
   ],
   sourceIdentifier: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
   vulnStatus: "Analyzed",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "NVD-CWE-noinfo",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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