CVE-2022-29204

Public Exploit
Missing validation causes denial of service in TensorFlow via `Conv3DBackpropFilterV2`

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, the implementation of `tf.raw_ops.UnsortedSegmentJoin` does not fully validate the input arguments. This results in a `CHECK`-failure which can be used to trigger a denial of service attack. The code assumes `num_segments` is a positive scalar but there is no validation. Since this value is used to allocate the output tensor, a negative value would result in a `CHECK`-failure (assertion failure), as per TFSA-2021-198. 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 0.13%
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Affected: tensorflow tensorflow
Published at:
Updated at:

References

Link Tags
https://github.com/tensorflow/tensorflow/blob/master/tensorflow/security/advisory/tfsa-2021-198.md third party advisory patch
https://github.com/tensorflow/tensorflow/releases/tag/v2.6.4 release notes third party advisory
https://github.com/tensorflow/tensorflow/releases/tag/v2.7.2 release notes third party advisory
https://github.com/tensorflow/tensorflow/releases/tag/v2.8.1 release notes third party advisory
https://github.com/tensorflow/tensorflow/releases/tag/v2.9.0 release notes third party advisory
https://github.com/tensorflow/tensorflow/security/advisories/GHSA-hx9q-2mx4-m4pg third party advisory patch exploit
https://github.com/tensorflow/tensorflow/commit/20cb18724b0bf6c09071a3f53434c4eec53cc147 third party advisory patch
https://github.com/tensorflow/tensorflow/commit/84563f265f28b3c36a15335c8b005d405260e943 third party advisory patch
https://github.com/tensorflow/tensorflow/blob/f3b9bf4c3c0597563b289c0512e98d4ce81f886e/tensorflow/core/kernels/unsorted_segment_join_op.cc#L83-L14 third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-29204?
CVE-2022-29204 has been scored as a medium severity vulnerability.
How to fix CVE-2022-29204?
To fix CVE-2022-29204, 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-2022-29204 being actively exploited in the wild?
It is possible that CVE-2022-29204 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-2022-29204?
CVE-2022-29204 affects tensorflow tensorflow.
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