fkie_cve-2021-47499
Vulnerability from fkie_nvd
Published
2024-05-24 15:15
Modified
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: [
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "3842D18A-DF7B-40A7-994E-E7606663CB16",
                     versionEndExcluding: "4.4.295",
                     versionStartIncluding: "4.2",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "5D107324-F4B9-4146-BACC-391E95D41D67",
                     versionEndExcluding: "4.9.293",
                     versionStartIncluding: "4.5",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "71B2A056-7541-4FF3-859E-C55955DDA2DD",
                     versionEndExcluding: "4.14.258",
                     versionStartIncluding: "4.10",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "CECDDE2F-DEEF-4D3A-85FF-6AEBA16D225B",
                     versionEndExcluding: "4.19.221",
                     versionStartIncluding: "4.15",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "B1DD3148-41FC-42AC-96A5-F63D774A97A3",
                     versionEndExcluding: "5.4.165",
                     versionStartIncluding: "4.20",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "D9668578-08F7-4694-A86F-FCE448387A79",
                     versionEndExcluding: "5.10.85",
                     versionStartIncluding: "5.5",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "6664ACE2-F748-4AE5-B98B-58803B0B2C3E",
                     versionEndExcluding: "5.15.8",
                     versionStartIncluding: "5.11",
                     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",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   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.",
      },
   ],
   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: [
            "Patch",
         ],
         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: "af854a3a-2127-422b-91ae-364da2661108",
         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/8c1d43f3a3fc7184c42d7398bdf59a2a2903e4fc",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/a3730f74159ad00a28960c0efe2a931fe6fe6b45",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/ee86d0bad80bdcd11a87e188a596727f41b62320",
      },
   ],
   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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