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CVE-2021-41211 PUBLISHED

TensorFlow is an open source platform for machine learning. In affected versions the shape inference code for `QuantizeV2` can trigger a read outside of bounds of heap allocated array. This occurs whenever `axis` is a negative value less than `-1`. In this case, we are accessing data before the start of a heap buffer. The code allows `axis` to be an optional argument (`s` would contain an `error::NOT_FOUND` error code). Otherwise, it assumes that `axis` is a valid index into the dimensions of the `input` tensor. If `axis` is less than `-1` then this results in a heap OOB read. The fix will be included in TensorFlow 2.7.0. We will also cherrypick this commit on TensorFlow 2.6.1, as this version is the only one that is also affected.

EPSS 0.02% · 5.0th percentile

Risk Scores

EPSS Score
0.02%
5.0th percentile

Affected Products

VendorProductVersions
Bitnamitensorflow2.6.0
Bitnamitensorflow2.6.0

Timeline

References

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