CVE-2022-29211

Public Exploit
Segfault in TensorFlow if `tf.histogram_fixed_width` is called with NaN values

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.histogram_fixed_width` is vulnerable to a crash when the values array contain `Not a Number` (`NaN`) elements. The implementation assumes that all floating point operations are defined and then converts a floating point result to an integer index. If `values` contains `NaN` then the result of the division is still `NaN` and the cast to `int32` would result in a crash. This only occurs on the CPU implementation. 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 0.08%
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 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 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-xrp2-fhq4-4q3w third party advisory exploit patch
https://github.com/tensorflow/tensorflow/issues/45770 exploit third party advisory issue tracking patch
https://github.com/tensorflow/tensorflow/commit/e57fd691c7b0fd00ea3bfe43444f30c1969748b5 patch third party advisory
https://github.com/tensorflow/tensorflow/blob/f3b9bf4c3c0597563b289c0512e98d4ce81f886e/tensorflow/core/kernels/histogram_op.cc third party advisory
https://github.com/tensorflow/tensorflow/blob/f3b9bf4c3c0597563b289c0512e98d4ce81f886e/tensorflow/core/kernels/histogram_op.cc#L35-L74 third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-29211?
CVE-2022-29211 has been scored as a medium severity vulnerability.
How to fix CVE-2022-29211?
To fix CVE-2022-29211, 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-2022-29211 being actively exploited in the wild?
It is possible that CVE-2022-29211 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-2022-29211?
CVE-2022-29211 affects tensorflow tensorflow.
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