HighVulnerability
CVE-2021-37648: TensorFlow null pointer dereference in tf.raw_ops.SaveV2 input validation
- Source
- NVD(opens in a new tab)
- Identifier
- CVE-2021-37648
- 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
TensorFlow's `tf.raw_ops.SaveV2` does not properly validate its inputs, so an attacker can trigger a null pointer dereference. The `ValidateInputs` check uses `OP_REQUIRES`, which sets an error status but does not stop execution of `Compute`, so the code continues as if no validation occurred.
Mitigation
Patched in GitHub commit 9728c60e136912a12d99ca56e106b7cce7af5986. 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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