CVE-2022-29205

Public Exploit
Segfault due to missing support for quantized types in TensorFlow

Description

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, there is a potential for segfault / denial of service in TensorFlow by calling `tf.compat.v1.*` ops which don't yet have support for quantized types, which was added after migration to TensorFlow 2.x. In these scenarios, since the kernel is missing, a `nullptr` value is passed to `ParseDimensionValue` for the `py_value` argument. Then, this is dereferenced, resulting in segfault. Versions 2.9.0, 2.8.1, 2.7.2, and 2.6.4 contain a patch for this issue.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.15%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: tensorflow tensorflow
Published at:
Updated at:

References

Link Tags
https://github.com/tensorflow/tensorflow/releases/tag/v2.6.4 third party advisory release notes
https://github.com/tensorflow/tensorflow/releases/tag/v2.7.2 third party advisory release notes
https://github.com/tensorflow/tensorflow/releases/tag/v2.8.1 third party advisory release notes
https://github.com/tensorflow/tensorflow/releases/tag/v2.9.0 third party advisory release notes
https://github.com/tensorflow/tensorflow/security/advisories/GHSA-54ch-gjq5-4976 patch third party advisory exploit
https://github.com/tensorflow/tensorflow/commit/237822b59fc504dda2c564787f5d3ad9c4aa62d9 third party advisory patch
https://github.com/tensorflow/tensorflow/blob/f3b9bf4c3c0597563b289c0512e98d4ce81f886e/tensorflow/python/eager/pywrap_tfe_src.cc#L296-L320 third party advisory
https://github.com/tensorflow/tensorflow/blob/f3b9bf4c3c0597563b289c0512e98d4ce81f886e/tensorflow/python/eager/pywrap_tfe_src.cc#L480-L482 third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-29205?
CVE-2022-29205 has been scored as a medium severity vulnerability.
How to fix CVE-2022-29205?
To fix CVE-2022-29205, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-29205 being actively exploited in the wild?
It is possible that CVE-2022-29205 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-29205?
CVE-2022-29205 affects tensorflow tensorflow.
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