Headline
CVE-2023-25672: Fixes shape inference of LookupTableImportV2 to handle scalar values. · tensorflow/tensorflow@980b225
TensorFlow is an open source platform for machine learning. The function tf.raw_ops.LookupTableImportV2 cannot handle scalars in the values parameter and gives an NPE. A fix is included in TensorFlow version 2.12.0 and version 2.11.1.
@@ -41,6 +41,7 @@ from tensorflow.python.framework import test_util from tensorflow.python.ops import array_ops from tensorflow.python.ops import control_flow_ops from tensorflow.python.ops import gen_lookup_ops from tensorflow.python.ops import lookup_ops from tensorflow.python.ops import map_fn from tensorflow.python.ops import variables @@ -573,6 +574,20 @@ def false_fn(): self.evaluate(lookup_ops.tables_initializer()) self.assertAllEqual(grad, -10.)
def testImportShapeInference(self, is_anonymous): v = variables.Variable(1)
@def_function.function(jit_compile=True) def foo(): return gen_lookup_ops.lookup_table_import_v2( table_handle=v.handle, keys=[1.1, 2.2], values=1 )
with self.assertRaisesRegex( ValueError, r"Shape must be at least rank 1 but is rank 0" ): foo()
def testExportShapeInference(self, is_anonymous): table = self.getHashTable()( lookup_ops.KeyValueTensorInitializer(
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### Impact The function `tf.raw_ops.LookupTableImportV2` cannot handle scalars in the `values` parameter and gives an NPE. ```python import tensorflow as tf v = tf.Variable(1) @tf.function(jit_compile=True) def test(): func = tf.raw_ops.LookupTableImportV2 para={'table_handle': v.handle,'keys': [62.98910140991211, 94.36528015136719], 'values': -919} y = func(**para) return y print(test()) ``` ### Patches We have patched the issue in GitHub commit [980b22536abcbbe1b4a5642fc940af33d8c19b69](https://github.com/tensorflow/tensorflow/commit/980b22536abcbbe1b4a5642fc940af33d8c19b69). The fix will be included in TensorFlow 2.12. We will also cherrypick this commit on TensorFlow 2.11.1. ### For more information Please consult [our security guide](https://github.com/tensorflow/tensorflow/blob/master/SECURITY.md) for more information regarding the security model and how to contact us with issues and questions. ### Attribution This vulnerability has been reported by r3pwnx ...