GMS-2022-7011: Out of bounds write in grappler in Tensorflow

November 21, 2022

Impact

The function MakeGrapplerFunctionItem takes arguments that determine the sizes of inputs and outputs. If the inputs given are greater than or equal to the sizes of the outputs, an out-of-bounds memory read or a crash is triggered.

Patches

We have patched the issue in GitHub commit a65411a1d69edfb16b25907ffb8f73556ce36bb7.

The fix will be included in TensorFlow 2.11.0. We will also cherrypick this commit on TensorFlow 2.10.1.

For more information

Please consult our security guide for more information regarding the security model and how to contact us with issues and questions.

References

github.com/advisories/GHSA-cg88-rpvp-cjv5
github.com/tensorflow/tensorflow/commit/a65411a1d69edfb16b25907ffb8f73556ce36bb7
github.com/tensorflow/tensorflow/security/advisories/GHSA-cg88-rpvp-cjv5
https://github.com/tensorflow/tensorflow/blob/master/tensorflow/core/grappler/utils/functions.cc

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