CVE-2021-37682 (GCVE-0-2021-37682)

Vulnerability from cvelistv5 – Published: 2021-08-12 22:45 – Updated: 2024-08-04 01:23
VLAI
Title
Use of unitialized value in TensorFlow Lite
Summary
TensorFlow is an end-to-end open source platform for machine learning. In affected versions all TFLite operations that use quantization can be made to use unitialized values. [For example](https://github.com/tensorflow/tensorflow/blob/460e000de3a83278fb00b61a16d161b1964f15f4/tensorflow/lite/kernels/depthwise_conv.cc#L198-L200). The issue stems from the fact that `quantization.params` is only valid if `quantization.type` is different that `kTfLiteNoQuantization`. However, these checks are missing in large parts of the code. We have patched the issue in GitHub commits 537bc7c723439b9194a358f64d871dd326c18887, 4a91f2069f7145aab6ba2d8cfe41be8a110c18a5 and 8933b8a21280696ab119b63263babdb54c298538. The fix will be included in TensorFlow 2.6.0. We will also cherrypick this commit on TensorFlow 2.5.1, TensorFlow 2.4.3, and TensorFlow 2.3.4, as these are also affected and still in supported range.
Severity
4.4 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
CWE
  • CWE-908 - Use of Uninitialized Resource
Assigner
References
Impacted products
Vendor Product Version
tensorflow tensorflow Affected: >= 2.5.0, < 2.5.1
Affected: >= 2.4.0, < 2.4.3
Affected: < 2.3.4
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We will also cherrypick this commit on TensorFlow 2.5.1, TensorFlow 2.4.3, and TensorFlow 2.3.4, as these are also affected and still in supported range.\"},{\"lang\":\"es\",\"value\":\"TensorFlow es una plataforma de c\u00f3digo abierto de extremo a extremo para el aprendizaje autom\u00e1tico.\u0026#xa0;En las versiones afectadas, todas las operaciones de TFLite que utilizan la cuantificaci\u00f3n se pueden hacer para utilizar valores unitarios.\u0026#xa0;[Por ejemplo] (https://github.com/tensorflow/tensorflow/blob/460e000de3a83278fb00b61a16d161b1964f15f4/tensorflow/lite/kernels/depthwise_conv.cc#L198-L200).\u0026#xa0;El problema surge del hecho que \\\"quantization.params\\\" solo es v\u00e1lido si \\\"quantization.type\\\" es diferente de \\\"kTfLiteNoQuantization\\\".\u0026#xa0;Sin embargo, estas comprobaciones faltan en gran parte del c\u00f3digo.\u0026#xa0;Hemos solucionado el problema en las commits de GitHub 537bc7c723439b9194a358f64d871dd326c18887, 4a91f2069f7145aab6ba2d8cfe41be8a110c18a5 y 8933b8a21280696ab119b63263babdb54c298538.\u0026#xa0;La correcci\u00f3n ser\u00e1 incluida en TensorFlow versi\u00f3n 2.6.0.\u0026#xa0;Tambi\u00e9n seleccionaremos este commit en TensorFlow versi\u00f3n 2.5.1, TensorFlow versi\u00f3n 2.4.3 y TensorFlow versi\u00f3n 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    "redhat_vex": {
      "current_release_date": "2026-03-27T13:44:50+00:00",
      "cve": "CVE-2021-37682",
      "id": "CVE-2021-37682",
      "initial_release_date": "2021-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Use of unitialized value in TensorFlow Lite",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-37682.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2025-03-15T08:46:45Z",
      "cve": "CVE-2021-37682",
      "id": "CVE-2021-37682",
      "initial_release_date": "2023-02-15T03:39:17Z",
      "product_status:recommended": "56",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2021-37682",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2021-37682.json",
      "version": "6"
    }
  }
}