CVE-2021-29557: Divide By Zero

May 21, 2021

TensorFlow is an end-to-end open source platform for machine learning. An attacker can cause a denial of service via a FPE runtime error in tf.raw_ops.SparseMatMul. The division by 0 occurs deep in Eigen code because the b tensor is empty. The fix will be included in TensorFlow 2.5.0. We will also cherrypick this commit on TensorFlow 2.4.2, TensorFlow 2.3.3, TensorFlow 2.2.3 and TensorFlow 2.1.4, as these are also affected and still in supported range.

References

github.com/advisories/GHSA-xw93-v57j-fcgh
github.com/tensorflow/tensorflow/commit/7f283ff806b2031f407db64c4d3edcda8fb9f9f5
github.com/tensorflow/tensorflow/security/advisories/GHSA-xw93-v57j-fcgh
nvd.nist.gov/vuln/detail/CVE-2021-29557

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