FKIE_CVE-2021-47499

Vulnerability from fkie_nvd - Published: 2024-05-24 15:15 - Updated: 2025-01-06 20:45
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: iio: accel: kxcjk-1013: Fix possible memory leak in probe and remove When ACPI type is ACPI_SMO8500, the data->dready_trig will not be set, the memory allocated by iio_triggered_buffer_setup() will not be freed, and cause memory leak as follows: unreferenced object 0xffff888009551400 (size 512): comm "i2c-SMO8500-125", pid 911, jiffies 4294911787 (age 83.852s) hex dump (first 32 bytes): 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 20 e2 e5 c0 ff ff ff ff ........ ....... backtrace: [<0000000041ce75ee>] kmem_cache_alloc_trace+0x16d/0x360 [<000000000aeb17b0>] iio_kfifo_allocate+0x41/0x130 [kfifo_buf] [<000000004b40c1f5>] iio_triggered_buffer_setup_ext+0x2c/0x210 [industrialio_triggered_buffer] [<000000004375b15f>] kxcjk1013_probe+0x10c3/0x1d81 [kxcjk_1013] Fix it by remove data->dready_trig condition in probe and remove.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/14508fe13b1c578b3d2ba574f1d48b351975860cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3899700ddacbf7aaafadf44464fff3ff0d4e3307Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/60a55b9d91ba99eb8cf015bc46dc2de05e168a15Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/70c9774e180d151abaab358108e3510a8e615215Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8c163a14277115ca962103910ab4cce55e862ffbPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8c1d43f3a3fc7184c42d7398bdf59a2a2903e4fcPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a3730f74159ad00a28960c0efe2a931fe6fe6b45Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ee86d0bad80bdcd11a87e188a596727f41b62320Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/14508fe13b1c578b3d2ba574f1d48b351975860cPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/3899700ddacbf7aaafadf44464fff3ff0d4e3307Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/60a55b9d91ba99eb8cf015bc46dc2de05e168a15Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/70c9774e180d151abaab358108e3510a8e615215Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8c163a14277115ca962103910ab4cce55e862ffbPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8c1d43f3a3fc7184c42d7398bdf59a2a2903e4fcPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/a3730f74159ad00a28960c0efe2a931fe6fe6b45Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ee86d0bad80bdcd11a87e188a596727f41b62320Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 5.16
linux linux_kernel 5.16
linux linux_kernel 5.16
linux linux_kernel 5.16
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
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          "negate": false,
          "operator": "OR"
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      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: accel: kxcjk-1013: Fix possible memory leak in probe and remove\n\nWhen ACPI type is ACPI_SMO8500, the data-\u003edready_trig will not be set, the\nmemory allocated by iio_triggered_buffer_setup() will not be freed, and cause\nmemory leak as follows:\n\nunreferenced object 0xffff888009551400 (size 512):\n  comm \"i2c-SMO8500-125\", pid 911, jiffies 4294911787 (age 83.852s)\n  hex dump (first 32 bytes):\n    02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n    00 00 00 00 00 00 00 00 20 e2 e5 c0 ff ff ff ff  ........ .......\n  backtrace:\n    [\u003c0000000041ce75ee\u003e] kmem_cache_alloc_trace+0x16d/0x360\n    [\u003c000000000aeb17b0\u003e] iio_kfifo_allocate+0x41/0x130 [kfifo_buf]\n    [\u003c000000004b40c1f5\u003e] iio_triggered_buffer_setup_ext+0x2c/0x210 [industrialio_triggered_buffer]\n    [\u003c000000004375b15f\u003e] kxcjk1013_probe+0x10c3/0x1d81 [kxcjk_1013]\n\nFix it by remove data-\u003edready_trig condition in probe and remove."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: iio: accel: kxcjk-1013: corrija la posible p\u00e9rdida de memoria en la sonda y elim\u00ednela. Cuando el tipo ACPI es ACPI_SMO8500, data-\u0026gt;dready_trig no se configurar\u00e1, la memoria asignada por iio_triggered_buffer_setup( ) no se liberar\u00e1 y provocar\u00e1 una p\u00e9rdida de memoria de la siguiente manera: objeto sin referencia 0xffff888009551400 (tama\u00f1o 512): comm \"i2c-SMO8500-125\", pid 911, jiffies 4294911787 (edad 83,852 s) volcado hexadecimal (primeros 32 bytes): 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 20 e2 e5 c0 ff ff ff ff .... .... ....... retroceso: [\u0026lt;0000000041ce75ee\u0026gt;] kmem_cache_alloc_trace+0x16d/0x360 [\u0026lt;000000000aeb17b0\u0026gt;] iio_kfifo_allocate+0x41/0x130 [kfifo_buf] [\u0026lt;000000004b40c1f5\u0026gt;] ed_buffer_setup_ext+0x2c/0x210 [industrialio_triggered_buffer] [ \u0026lt;000000004375b15f\u0026gt;] kxcjk1013_probe+0x10c3/0x1d81 [kxcjk_1013] Solucionarlo eliminando la condici\u00f3n data-\u0026gt;dready_trig en la sonda y elimin\u00e1ndola."
    }
  ],
  "id": "CVE-2021-47499",
  "lastModified": "2025-01-06T20:45:41.497",
  "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": "2024-05-24T15:15:09.607",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-401"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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