fkie_cve-2024-38569
Vulnerability from fkie_nvd
Published
2024-06-19 14:15
Modified
2024-11-21 09:26
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: drivers/perf: hisi_pcie: Fix out-of-bound access when valid event group The perf tool allows users to create event groups through following cmd [1], but the driver does not check whether the array index is out of bounds when writing data to the event_group array. If the number of events in an event_group is greater than HISI_PCIE_MAX_COUNTERS, the memory write overflow of event_group array occurs. Add array index check to fix the possible array out of bounds violation, and return directly when write new events are written to array bounds. There are 9 different events in an event_group. [1] perf stat -e '{pmu/event1/, ... ,pmu/event9/}'
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3d1face00ebb7996842aee4214d7d0fb0c77b1e9Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/567d34626c22b36579ec0abfdf5eda2949044220Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/77fce82678ea5fd51442e62febec2004f79e041bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8e9aab2492178f25372f1820bfd9289fbd74efd0Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ff48247144d13a3a0817127703724256008efa78Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/3d1face00ebb7996842aee4214d7d0fb0c77b1e9Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/567d34626c22b36579ec0abfdf5eda2949044220Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/77fce82678ea5fd51442e62febec2004f79e041bPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8e9aab2492178f25372f1820bfd9289fbd74efd0Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ff48247144d13a3a0817127703724256008efa78Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *


To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrivers/perf: hisi_pcie: Fix out-of-bound access when valid event group\n\nThe perf tool allows users to create event groups through following\ncmd [1], but the driver does not check whether the array index is out of\nbounds when writing data to the event_group array. If the number of events\nin an event_group is greater than HISI_PCIE_MAX_COUNTERS, the memory write\noverflow of event_group array occurs.\n\nAdd array index check to fix the possible array out of bounds violation,\nand return directly when write new events are written to array bounds.\n\nThere are 9 different events in an event_group.\n[1] perf stat -e \u0027{pmu/event1/, ... ,pmu/event9/}\u0027"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drivers/perf: hisi_pcie: corrige el acceso fuera de los l\u00edmites cuando el grupo de eventos es v\u00e1lido. La herramienta perf permite a los usuarios crear grupos de eventos mediante el siguiente cmd [1], pero el controlador no compruebe si el \u00edndice de la matriz est\u00e1 fuera de los l\u00edmites al escribir datos en la matriz event_group. Si el n\u00famero de eventos en un event_group es mayor que HISI_PCIE_MAX_COUNTERS, se produce un desbordamiento de escritura en la memoria de la matriz event_group. Agregue la verificaci\u00f3n del \u00edndice de la matriz para corregir la posible infracci\u00f3n de la matriz fuera de los l\u00edmites y regrese directamente cuando se escriban nuevos eventos en los l\u00edmites de la matriz. Hay 9 eventos diferentes en un grupo de eventos. [1] estad\u00edstica de rendimiento -e \u0027{pmu/event1/, ...,pmu/event9/}\u0027"
    }
  ],
  "id": "CVE-2024-38569",
  "lastModified": "2024-11-21T09:26:22.310",
  "metrics": {
    "cvssMetricV31": [
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        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
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        "impactScore": 5.9,
        "source": "nvd@nist.gov",
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  "published": "2024-06-19T14:15:17.060",
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          "lang": "en",
          "value": "CWE-129"
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      "source": "nvd@nist.gov",
      "type": "Primary"
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  ]
}


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