QID 981512

QID 981512: Python (pip) Security Update for tensorflow-gpu (GHSA-fcwc-p4fc-c5cc)

Security update has been released for tensorflow-gpu,tensorflow,tensorflow-cpu to fix the vulnerability.

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

If a user does not provide a valid padding value to `tf.raw_ops.MatrixDiagPartOp`, then the code triggers a null pointer dereference (if input is empty) or produces invalid behavior, ignoring all values after the first:

```python
import tensorflow as tf

tf.raw_ops.MatrixDiagPartV2(
input=tf.ones(2,dtype=tf.int32),
k=tf.ones(2,dtype=tf.int32),
padding_value=[])
```

Although this example is given for `MatrixDiagPartV2`, all versions of the operation are affected.

The [implementation](https://github.com/tensorflow/tensorflow/blob/8d72537c6abf5a44103b57b9c2e22c14f5f49698/tensorflow/core/kernels/linalg/matrix_diag_op.cc#L89) reads the first value from a tensor buffer without first checking that the tensor has values to read from.

  • CVSS V3 rated as High - 7.1 severity.
  • CVSS V2 rated as Medium - 3.6 severity.
  • Solution
    We have patched the issue in GitHub commit [482da92095c4d48f8784b1f00dda4f81c28d2988](https://github.com/tensorflow/tensorflow/commit/482da92095c4d48f8784b1f00dda4f81c28d2988).

    The fix will be included in TensorFlow 2.6.0. We will also cherrypick this commit on TensorFlow 2.5.1, TensorFlow 2.4.3, and TensorFlow 2.3.4, as these are also affected and still in supported range.
    Vendor References

    CVEs related to QID 981512

    Software Advisories
    Advisory ID Software Component Link
    GHSA-fcwc-p4fc-c5cc tensorflow URL Logo github.com/advisories/GHSA-fcwc-p4fc-c5cc
    GHSA-fcwc-p4fc-c5cc tensorflow-cpu URL Logo github.com/advisories/GHSA-fcwc-p4fc-c5cc
    GHSA-fcwc-p4fc-c5cc tensorflow-gpu URL Logo github.com/advisories/GHSA-fcwc-p4fc-c5cc

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