CVE-2022-29194: Missing validation causes denial of service via `DeleteSessionTensor` in TensorFlow
First published: Fri May 20 2022(Updated: )
TensorFlow is an open source platform for machine learning. Prior to versions 2.9.0, 2.8.1, 2.7.2, and 2.6.4, the implementation of `tf.raw_ops.DeleteSessionTensor` does not fully validate the input arguments. This results in a `CHECK`-failure which can be used to trigger a denial of service attack. Versions 2.9.0, 2.8.1, 2.7.2, and 2.6.4 contain a patch for this issue.
Credit: security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| TensorFlow Keras | <2.6.4 | |
| TensorFlow Keras | >=2.7.0<2.7.2 | |
| TensorFlow Keras | >=2.8.0<2.8.1 | |
| TensorFlow Keras | =2.9.0-rc0 | |
| TensorFlow Keras | =2.9.0-rc1 | |
| TensorFlow Keras | =2.9.0-rc2 |
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Reference Links
- https://github.com/tensorflow/tensorflow/blob/f3b9bf4c3c0597563b289c0512e98d4ce81f886e/tensorflow/core/kernels/session_ops.cc#L128-L144
- https://github.com/tensorflow/tensorflow/commit/cff267650c6a1b266e4b4500f69fbc49cdd773c5
- https://github.com/tensorflow/tensorflow/releases/tag/v2.6.4
- https://github.com/tensorflow/tensorflow/releases/tag/v2.7.2
- https://github.com/tensorflow/tensorflow/releases/tag/v2.8.1
- https://github.com/tensorflow/tensorflow/releases/tag/v2.9.0
- https://github.com/tensorflow/tensorflow/security/advisories/GHSA-h5g4-ppwx-48q2
Frequently Asked Questions
What is the severity of CVE-2022-29194?
CVE-2022-29194 is classified as a high severity vulnerability due to its potential to trigger denial of service attacks.
How do I fix CVE-2022-29194?
To patch CVE-2022-29194, upgrade TensorFlow to versions 2.9.0, 2.8.1, 2.7.2, or 2.6.4 or later.
What versions of TensorFlow are affected by CVE-2022-29194?
CVE-2022-29194 affects TensorFlow versions prior to 2.9.0, 2.8.1, 2.7.2, and 2.6.4.
What type of issue does CVE-2022-29194 represent?
CVE-2022-29194 represents a validation issue in the input arguments of tf.raw_ops.DeleteSessionTensor.
Can CVE-2022-29194 be exploited remotely?
Yes, CVE-2022-29194 can potentially be exploited remotely to cause a denial of service.
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