Vulnerability Information
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Vulnerability Title
Deadlock in mutually recursive `tf.function` objects
Vulnerability Description
TensorFlow is an open source platform for machine learning. In affected versions the code behind `tf.function` API can be made to deadlock when two `tf.function` decorated Python functions are mutually recursive. This occurs due to using a non-reentrant `Lock` Python object. Loading any model which contains mutually recursive functions is vulnerable. An attacker can cause denial of service by causing users to load such models and calling a recursive `tf.function`, although this is not a frequent scenario. The fix will be included in TensorFlow 2.7.0. We will also cherrypick this commit on TensorFlow 2.6.1, TensorFlow 2.5.2, and TensorFlow 2.4.4, as these are also affected and still in supported range.
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
加锁机制不恰当
Vulnerability Title
Google TensorFlow 资源管理错误漏洞
Vulnerability Description
Google TensorFlow是美国谷歌（Google）公司的一套用于机器学习的端到端开源平台。 Google TensorFlow 存在资源管理错误漏洞，该漏洞源于当两个 tf.function 修饰的 Python 函数相互递归时，`tf.function` API 背后的代码可能会陷入死锁。
CVSS Information
N/A
Vulnerability Type
N/A