cve-2021-47499
Vulnerability from cvelistv5
Published
2024-05-24 15:01
Modified
2024-11-04 12:07
Severity ?
Summary
iio: accel: kxcjk-1013: Fix possible memory leak in probe and remove
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website


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    "cveId": "CVE-2021-47499",
    "datePublished": "2024-05-24T15:01:42.684Z",
    "dateReserved": "2024-05-22T06:20:56.204Z",
    "dateUpdated": "2024-11-04T12:07:06.649Z",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2021-47499\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-24T15:15:09.607\",\"lastModified\":\"2024-05-24T18:09:20.027\",\"vulnStatus\":\"Awaiting Analysis\",\"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.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/14508fe13b1c578b3d2ba574f1d48b351975860c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/3899700ddacbf7aaafadf44464fff3ff0d4e3307\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/60a55b9d91ba99eb8cf015bc46dc2de05e168a15\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/70c9774e180d151abaab358108e3510a8e615215\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8c163a14277115ca962103910ab4cce55e862ffb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8c1d43f3a3fc7184c42d7398bdf59a2a2903e4fc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a3730f74159ad00a28960c0efe2a931fe6fe6b45\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ee86d0bad80bdcd11a87e188a596727f41b62320\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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