BIT-TENSORFLOW-2020-15214 Out of bounds write in tensorflow-lite

In TensorFlow Lite before versions 2.2.1 and 2.3.1, models using segment sum can trigger a write out bounds / segmentation fault if the segment ids are not sorted. Code assumes that the segment ids are in increasing order, using the last element of the tensor holding them to determine the...

BIT-TENSORFLOW-2021-29512 Heap buffer overflow in `RaggedBinCount`

TensorFlow is an end-to-end open source platform for machine learning. If the splits argument of RaggedBincount does not specify a valid SparseTensorhttps://www.tensorflow.org/apidocs/python/tf/sparse/SparseTensor, then an attacker can trigger a heap buffer overflow. This will cause a read from...

BIT-TENSORFLOW-2021-29518 Session operations in eager mode lead to null pointer dereferences

TensorFlow is an end-to-end open source platform for machine learning. In eager mode default in TF 2.0 and later, session operations are invalid. However, users could still call the raw ops associated with them and trigger a null pointer dereference. The...

BIT-TENSORFLOW-2021-29521 Segfault in SparseCountSparseOutput

TensorFlow is an end-to-end open source platform for machine learning. Specifying a negative dense shape in tf.rawops.SparseCountSparseOutput results in a segmentation fault being thrown out from the standard library as std::vector invariants are broken. This is because the...

BIT-TENSORFLOW-2021-29551 OOB read in `MatrixTriangularSolve`

TensorFlow is an end-to-end open source platform for machine learning. The implementation of MatrixTriangularSolvehttps://github.com/tensorflow/tensorflow/blob/8cae746d8449c7dda5298327353d68613f16e798/tensorflow/core/kernels/linalg/matrixtriangularsolveopimpl.hL160-L240 fails to terminate kernel...

BIT-TENSORFLOW-2021-29556 Division by 0 in `Reverse`

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.rawops.Reverse. This is because the...

BIT-TENSORFLOW-2021-29575 Overflow/denial of service in `tf.raw_ops.ReverseSequence`

TensorFlow is an end-to-end open source platform for machine learning. The implementation of tf.rawops.ReverseSequence allows for stack overflow and/or CHECK-fail based denial of service. The...

BIT-TENSORFLOW-2021-29582 Heap OOB read in `tf.raw_ops.Dequantize`

TensorFlow is an end-to-end open source platform for machine learning. Due to lack of validation in tf.rawops.Dequantize, an attacker can trigger a read from outside of bounds of heap allocated data. The...

BIT-TENSORFLOW-2021-29584 CHECK-fail due to integer overflow

TensorFlow is an end-to-end open source platform for machine learning. An attacker can trigger a denial of service via a CHECK-fail in caused by an integer overflow in constructing a new tensor shape. This is because the...

BIT-TENSORFLOW-2021-29592 Null pointer dereference in TFLite's `Reshape` operator

TensorFlow is an end-to-end open source platform for machine learning. The fix for CVE-2020-15209https://vulners.com/cve/CVE-2020-15209 missed the case when the target shape of Reshape operator is given by the elements of a 1-D tensor. As such, the fix for the...

BIT-TENSORFLOW-2021-29593 Division by zero in TFLite's implementation of `BatchToSpaceNd`

TensorFlow is an end-to-end open source platform for machine learning. The implementation of the BatchToSpaceNd TFLite operator is vulnerable to a division by zero...

BIT-TENSORFLOW-2021-29595 Division by zero in TFLite's implementation of `DepthToSpace`

TensorFlow is an end-to-end open source platform for machine learning. The implementation of the DepthToSpace TFLite operator is vulnerable to a division by zero...

BIT-TENSORFLOW-2021-29597 Division by zero in TFLite's implementation of `SpaceToBatchNd`

TensorFlow is an end-to-end open source platform for machine learning. The implementation of the SpaceToBatchNd TFLite operator is vulnerable to a division by zero error. An attacker can craft a model such that one dimension of the block input is 0. Hence, the corresponding value in blockshape is...

BIT-TENSORFLOW-2021-29598 Division by zero in TFLite's implementation of `SVDF`

TensorFlow is an end-to-end open source platform for machine learning. The implementation of the SVDF TFLite operator is vulnerable to a division by zero errorhttps://github.com/tensorflow/tensorflow/blob/7f283ff806b2031f407db64c4d3edcda8fb9f9f5/tensorflow/lite/kernels/svdf.ccL99-L102. An attacke...

BIT-TENSORFLOW-2021-29599 Division by zero in TFLite's implementation of `Split`

TensorFlow is an end-to-end open source platform for machine learning. The implementation of the Split TFLite operator is vulnerable to a division by zero errorhttps://github.com/tensorflow/tensorflow/blob/e2752089ef7ce9bcf3db0ec618ebd23ea119d0c7/tensorflow/lite/kernels/split.ccL63-L65. An attack...

BIT-TENSORFLOW-2021-29604 Division by zero in TFLite's implementation of hashtable lookup

TensorFlow is an end-to-end open source platform for machine learning. The TFLite implementation of hashtable lookup is vulnerable to a division by zero errorhttps://github.com/tensorflow/tensorflow/blob/1a8e885b864c818198a5b2c0cbbeca5a1e833bc8/tensorflow/lite/kernels/hashtablelookup.ccL114-L115 ...

BIT-TENSORFLOW-2021-29619 Segfault in `tf.raw_ops.SparseCountSparseOutput`

TensorFlow is an end-to-end open source platform for machine learning. Passing invalid arguments e.g., discovered via fuzzing to tf.rawops.SparseCountSparseOutput results in segfault. The fix will be included in TensorFlow 2.5.0. We will also cherrypick this commit on TensorFlow 2.4.2, TensorFlow...

BIT-TENSORFLOW-2021-37635 Heap out of bounds access in sparse reduction operations in TensorFlow

TensorFlow is an end-to-end open source platform for machine learning. In affected versions the implementation of sparse reduction operations in TensorFlow can trigger accesses outside of bounds of heap allocated data. The implementation fails to validate that each reduction group does not overfl...

BIT-TENSORFLOW-2021-37636 Floating point exception in `SparseDenseCwiseDiv` in TensorFlow

TensorFlow is an end-to-end open source platform for machine learning. In affected versions the implementation of tf.rawops.SparseDenseCwiseDiv is vulnerable to a division by 0 error. The implementation uses a common class for all binary operations but fails to treat the division by 0 case...

BIT-TENSORFLOW-2021-37637 Null pointer dereference in `CompressElement` in TensorFlow

TensorFlow is an end-to-end open source platform for machine learning. It is possible to trigger a null pointer dereference in TensorFlow by passing an invalid input to tf.rawops.CompressElement. The implementation was accessing the size of a buffer obtained from the return of a separate function...