CVE-2021-37689: NULL Pointer Dereference
(updated )
TensorFlow is an end-to-end open source platform for machine learning. In affected versions an attacker can craft a TFLite model that would trigger a null pointer dereference, which would result in a crash and denial of service. This is caused by the MLIR optimization of L2NormalizeReduceAxis operator. The implementation unconditionally dereferences a pointer to an iterator to a vector without checking that the vector has elements.
References
- github.com/advisories/GHSA-wf5p-c75w-w3wh
- github.com/tensorflow/tensorflow/blob/149562d49faa709ea80df1d99fc41d005b81082a/tensorflow/compiler/mlir/lite/transforms/optimize.cc
- github.com/tensorflow/tensorflow/commit/d6b57f461b39fd1aa8c1b870f1b974aac3554955
- github.com/tensorflow/tensorflow/security/advisories/GHSA-wf5p-c75w-w3wh
- nvd.nist.gov/vuln/detail/CVE-2021-37689
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