cve-2021-47499
Vulnerability from cvelistv5
Published
2024-05-24 15:01
Modified
2024-12-19 07:43
Severity ?
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 Version: a25691c1f9674090fb66586cf4c5d60d3efdf339
Version: a25691c1f9674090fb66586cf4c5d60d3efdf339
Version: a25691c1f9674090fb66586cf4c5d60d3efdf339
Version: a25691c1f9674090fb66586cf4c5d60d3efdf339
Version: a25691c1f9674090fb66586cf4c5d60d3efdf339
Version: a25691c1f9674090fb66586cf4c5d60d3efdf339
Version: a25691c1f9674090fb66586cf4c5d60d3efdf339
Version: a25691c1f9674090fb66586cf4c5d60d3efdf339
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      nvd: "{\"cve\":{\"id\":\"CVE-2021-47499\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-24T15:15:09.607\",\"lastModified\":\"2025-01-06T20:45:41.497\",\"vulnStatus\":\"Analyzed\",\"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->dready_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    [<0000000041ce75ee>] kmem_cache_alloc_trace+0x16d/0x360\\n    [<000000000aeb17b0>] iio_kfifo_allocate+0x41/0x130 [kfifo_buf]\\n    [<000000004b40c1f5>] iio_triggered_buffer_setup_ext+0x2c/0x210 [industrialio_triggered_buffer]\\n    [<000000004375b15f>] kxcjk1013_probe+0x10c3/0x1d81 [kxcjk_1013]\\n\\nFix it by remove data->dready_trig condition in probe and remove.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvió la siguiente vulnerabilidad: iio: accel: kxcjk-1013: corrija la posible pérdida de memoria en la sonda y elimínela. Cuando el tipo ACPI es ACPI_SMO8500, data-&gt;dready_trig no se configurará, la memoria asignada por iio_triggered_buffer_setup( ) no se liberará y provocará una pérdida de memoria de la siguiente manera: objeto sin referencia 0xffff888009551400 (tamaño 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: [&lt;0000000041ce75ee&gt;] kmem_cache_alloc_trace+0x16d/0x360 [&lt;000000000aeb17b0&gt;] iio_kfifo_allocate+0x41/0x130 [kfifo_buf] [&lt;000000004b40c1f5&gt;] ed_buffer_setup_ext+0x2c/0x210 [industrialio_triggered_buffer] [ &lt;000000004375b15f&gt;] kxcjk1013_probe+0x10c3/0x1d81 [kxcjk_1013] Solucionarlo eliminando la condición data-&gt;dready_trig en la sonda y eliminándola.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-401\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.2\",\"versionEndExcluding\":\"4.4.295\",\"matchCriteriaId\":\"3842D18A-DF7B-40A7-994E-E7606663CB16\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.5\",\"versionEndExcluding\":\"4.9.293\",\"matchCriteriaId\":\"5D107324-F4B9-4146-BACC-391E95D41D67\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.10\",\"versionEndExcluding\":\"4.14.258\",\"matchCriteriaId\":\"71B2A056-7541-4FF3-859E-C55955DDA2DD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.15\",\"versionEndExcluding\":\"4.19.221\",\"matchCriteriaId\":\"CECDDE2F-DEEF-4D3A-85FF-6AEBA16D225B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.165\",\"matchCriteriaId\":\"B1DD3148-41FC-42AC-96A5-F63D774A97A3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.85\",\"matchCriteriaId\":\"D9668578-08F7-4694-A86F-FCE448387A79\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.8\",\"matchCriteriaId\":\"6664ACE2-F748-4AE5-B98B-58803B0B2C3E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.16:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"357AA433-37E8-4323-BFB2-3038D6E4B414\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.16:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"A73429BA-C2D9-4D0C-A75F-06A1CA8B3983\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.16:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"F621B5E3-E99D-49E7-90B9-EC3B77C95383\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.16:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"F7BFDCAA-1650-49AA-8462-407DD593F94F\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/14508fe13b1c578b3d2ba574f1d48b351975860c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/3899700ddacbf7aaafadf44464fff3ff0d4e3307\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/60a55b9d91ba99eb8cf015bc46dc2de05e168a15\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/70c9774e180d151abaab358108e3510a8e615215\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8c163a14277115ca962103910ab4cce55e862ffb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8c1d43f3a3fc7184c42d7398bdf59a2a2903e4fc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a3730f74159ad00a28960c0efe2a931fe6fe6b45\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ee86d0bad80bdcd11a87e188a596727f41b62320\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/14508fe13b1c578b3d2ba574f1d48b351975860c\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/3899700ddacbf7aaafadf44464fff3ff0d4e3307\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/60a55b9d91ba99eb8cf015bc46dc2de05e168a15\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/70c9774e180d151abaab358108e3510a8e615215\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8c163a14277115ca962103910ab4cce55e862ffb\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8c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         dataType: "CVE_RECORD",
         dataVersion: "5.1",
      },
   },
}


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