HighVulnerability
CVE-2021-37638: TensorFlow null pointer dereference in tf.raw_ops.RaggedTensorToTensor
- Source
- NVD(opens in a new tab)
- Identifier
- CVE-2021-37638
- Published
- Record updated
- Affected
- tensorflow < 2.3.4, fixed in 2.3.4
- tensorflow >= 2.4.0, < 2.4.3, fixed in 2.4.3
- tensorflow = 2.5.0, fixed in 2.5.1
- and 6 more
- Known exploitation
- Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
- EPSS
- 0.2%
Summary
CVE-2021-37638 affects TensorFlow's `tf.raw_ops.RaggedTensorToTensor` API. Passing an invalid `row_partition_types` argument causes a null pointer dereference and undefined behavior, because the implementation reads the first element of a user-supplied list without checking that the list is non-empty.
Mitigation
Patched in GitHub commit 301ae88b331d37a2a16159b65b255f4f9eb39314. The fix will be included in TensorFlow 2.6.0, and the commit will be cherry-picked to TensorFlow 2.5.1, 2.4.3 and 2.3.4.
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