Description
Tensorflow is an Open Source Machine Learning Framework. A malicious user can cause a denial of service by altering a `SavedModel` such that Grappler optimizer would attempt to build a tensor using a reference `dtype`. This would result in a crash due to a `CHECK`-fail in the `Tensor` constructor as reference types are not allowed. The fix will be included in TensorFlow 2.8.0. We will also cherrypick this commit on TensorFlow 2.7.1, TensorFlow 2.6.3, and TensorFlow 2.5.3, as these are also affected and still in supported range.
References (4)
Core 4
Core References
Patch, Third Party Advisory x_refsource_confirm
https://github.com/tensorflow/tensorflow/security/advisories/GHSA-fx5c-h9f6-rv7c
Patch, Third Party Advisory x_refsource_misc
https://github.com/tensorflow/tensorflow/commit/6b5adc0877de832b2a7c189532dbbbc64622eeb6
Exploit, Third Party Advisory x_refsource_misc
https://github.com/tensorflow/tensorflow/blob/a1320ec1eac186da1d03f033109191f715b2b130/tensorflow/core/framework/tensor.cc#L733-L781
Exploit, Third Party Advisory x_refsource_misc
https://github.com/tensorflow/tensorflow/blob/a1320ec1eac186da1d03f033109191f715b2b130/tensorflow/core/grappler/optimizers/constant_folding.cc#L1328-L1402
Scores
CVSS v3
6.5
EPSS
0.0030
EPSS Percentile
53.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-617
Status
published
Products (5)
google/tensorflow
2.7.0
google/tensorflow
< 2.5.2
pypi/tensorflow
0 - 2.5.3PyPI
pypi/tensorflow-cpu
0 - 2.5.3PyPI
pypi/tensorflow-gpu
0 - 2.5.3PyPI
Published
Feb 04, 2022
Tracked Since
Feb 18, 2026