fkie_cve-2022-48924
Vulnerability from fkie_nvd
Published
2024-08-22 02:15
Modified
2024-08-27 16:07
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: thermal: int340x: fix memory leak in int3400_notify() It is easy to hit the below memory leaks in my TigerLake platform: unreferenced object 0xffff927c8b91dbc0 (size 32): comm "kworker/0:2", pid 112, jiffies 4294893323 (age 83.604s) hex dump (first 32 bytes): 4e 41 4d 45 3d 49 4e 54 33 34 30 30 20 54 68 65 NAME=INT3400 The 72 6d 61 6c 00 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b a5 rmal.kkkkkkkkkk. backtrace: [<ffffffff9c502c3e>] __kmalloc_track_caller+0x2fe/0x4a0 [<ffffffff9c7b7c15>] kvasprintf+0x65/0xd0 [<ffffffff9c7b7d6e>] kasprintf+0x4e/0x70 [<ffffffffc04cb662>] int3400_notify+0x82/0x120 [int3400_thermal] [<ffffffff9c8b7358>] acpi_ev_notify_dispatch+0x54/0x71 [<ffffffff9c88f1a7>] acpi_os_execute_deferred+0x17/0x30 [<ffffffff9c2c2c0a>] process_one_work+0x21a/0x3f0 [<ffffffff9c2c2e2a>] worker_thread+0x4a/0x3b0 [<ffffffff9c2cb4dd>] kthread+0xfd/0x130 [<ffffffff9c201c1f>] ret_from_fork+0x1f/0x30 Fix it by calling kfree() accordingly.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2e798814e01827871938ff172d2b2ccf1e74b355Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/33c73a4d7e7b19313a6b417152f5365016926418Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3abea10e6a8f0e7804ed4c124bea2d15aca977c8Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ba9efbbf6745750d34c1e87c9539ce9db645ca0aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c3fa6d1937a8d0828131a04ae2cd2c30d0668693Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e098933866f9e1dd3ef4eebbe2e3d504f970f599Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f0ddc5184b0127038d05008e2a69f89d1e13f980Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "66FD29ED-3573-4532-BDEF-8D09E54DFC2B",
              "versionEndExcluding": "4.14.274",
              "versionStartIncluding": "4.14",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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          "negate": false,
          "operator": "OR"
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      ]
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nthermal: int340x: fix memory leak in int3400_notify()\n\nIt is easy to hit the below memory leaks in my TigerLake platform:\n\nunreferenced object 0xffff927c8b91dbc0 (size 32):\n  comm \"kworker/0:2\", pid 112, jiffies 4294893323 (age 83.604s)\n  hex dump (first 32 bytes):\n    4e 41 4d 45 3d 49 4e 54 33 34 30 30 20 54 68 65  NAME=INT3400 The\n    72 6d 61 6c 00 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b a5  rmal.kkkkkkkkkk.\n  backtrace:\n    [\u003cffffffff9c502c3e\u003e] __kmalloc_track_caller+0x2fe/0x4a0\n    [\u003cffffffff9c7b7c15\u003e] kvasprintf+0x65/0xd0\n    [\u003cffffffff9c7b7d6e\u003e] kasprintf+0x4e/0x70\n    [\u003cffffffffc04cb662\u003e] int3400_notify+0x82/0x120 [int3400_thermal]\n    [\u003cffffffff9c8b7358\u003e] acpi_ev_notify_dispatch+0x54/0x71\n    [\u003cffffffff9c88f1a7\u003e] acpi_os_execute_deferred+0x17/0x30\n    [\u003cffffffff9c2c2c0a\u003e] process_one_work+0x21a/0x3f0\n    [\u003cffffffff9c2c2e2a\u003e] worker_thread+0x4a/0x3b0\n    [\u003cffffffff9c2cb4dd\u003e] kthread+0xfd/0x130\n    [\u003cffffffff9c201c1f\u003e] ret_from_fork+0x1f/0x30\n\nFix it by calling kfree() accordingly."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: t\u00e9rmica: int340x: corrige la p\u00e9rdida de memoria en int3400_notify() Es f\u00e1cil solucionar las siguientes p\u00e9rdidas de memoria en mi plataforma TigerLake: objeto sin referencia 0xffff927c8b91dbc0 (tama\u00f1o 32): comm \"kworker/0 :2\", pid 112, santiam\u00e9n 4294893323 (edad 83.604s) volcado hexadecimal (primeros 32 bytes): 4e 41 4d 45 3d 49 4e 54 33 34 30 30 20 54 68 65 NAME=INT3400 The 72 6d 61 6c 00 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b a5 rmal.kkkkkkkkkk. seguimiento: [] __kmalloc_track_caller+0x2fe/0x4a0 [] kvasprintf+0x65/0xd0 [] kasprintf+0x4e/0x70 [] notificar+0x82/0x120 [int3400_thermal] [] acpi_ev_notify_dispatch+0x54/0x71 [] acpi_os_execute_deferred+0x17/0x30 [] Process_one_work+0x21a/0x3f0 [] trabajador_thread+0x4a/0x3b0 ffffffff9c2cb4dd\u0026gt;] kthread+0xfd/0x130 [] ret_from_fork+0x1f/0x30 Solucionarlo llamando a kfree() en consecuencia."
    }
  ],
  "id": "CVE-2022-48924",
  "lastModified": "2024-08-27T16:07:43.660",
  "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": "2024-08-22T02:15:08.527",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
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      "url": "https://git.kernel.org/stable/c/2e798814e01827871938ff172d2b2ccf1e74b355"
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    },
    {
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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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