CVE-2022-36018: `CHECK` fail in `RaggedTensorToVariant` in TensorFlow
First published: Fri Sep 16 2022(Updated: )
TensorFlow is an open source platform for machine learning. If `RaggedTensorToVariant` is given a `rt_nested_splits` list that contains tensors of ranks other than one, it results in a `CHECK` fail that can be used to trigger a denial of service attack. We have patched the issue in GitHub commit 88f93dfe691563baa4ae1e80ccde2d5c7a143821. The fix will be included in TensorFlow 2.10.0. We will also cherrypick this commit on TensorFlow 2.9.1, TensorFlow 2.8.1, and TensorFlow 2.7.2, as these are also affected and still in supported range. There are no known workarounds for this issue.
Credit: security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| TensorFlow Keras | <2.7.2 | |
| TensorFlow Keras | >=2.8.0<2.8.1 | |
| TensorFlow Keras | >=2.9.0<2.9.1 | |
| TensorFlow Keras | =2.10-rc0 | |
| TensorFlow Keras | =2.10-rc1 | |
| TensorFlow Keras | =2.10-rc2 | |
| TensorFlow Keras | =2.10-rc3 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2022-36018?
CVE-2022-36018 has been classified as a denial of service vulnerability.
How do I fix CVE-2022-36018?
To mitigate CVE-2022-36018, upgrade TensorFlow to version 2.10 or later.
What versions of TensorFlow are affected by CVE-2022-36018?
CVE-2022-36018 affects TensorFlow versions up to 2.7.2 and from 2.8.0 to 2.8.1, as well as 2.9.0 to 2.9.1.
How does CVE-2022-36018 impact TensorFlow usage?
CVE-2022-36018 can cause a denial of service, potentially leading to application crashes when processing tensors.
What is the cause of CVE-2022-36018?
CVE-2022-36018 occurs when RaggedTensorToVariant is given incorrect tensor ranks, triggering a CHECK fail.
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