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CVE-2021-41214: Reference binding to `nullptr` in `tf.ragged.cross`

November 10, 2021 (updated November 7, 2024)

The shape inference code for tf.ragged.cross has an undefined behavior due to binding a reference to nullptr. In the following scenario, this results in a crash:

import tensorflow as tf

@tf.function
def test():
y = tf.ragged.cross([tf.ragged.constant([['1']]),'2'])
return y

test()

References

  • github.com/advisories/GHSA-vwhq-49r4-gj9v
  • github.com/pypa/advisory-database/tree/main/vulns/tensorflow-cpu/PYSEC-2021-623.yaml
  • github.com/pypa/advisory-database/tree/main/vulns/tensorflow-gpu/PYSEC-2021-821.yaml
  • github.com/pypa/advisory-database/tree/main/vulns/tensorflow/PYSEC-2021-406.yaml
  • github.com/tensorflow/tensorflow
  • github.com/tensorflow/tensorflow/commit/fa6b7782fbb14aa08d767bc799c531f5e1fb3bb8
  • github.com/tensorflow/tensorflow/security/advisories/GHSA-vwhq-49r4-gj9v
  • nvd.nist.gov/vuln/detail/CVE-2021-41214

Code Behaviors & Features

Detect and mitigate CVE-2021-41214 with GitLab Dependency Scanning

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Affected versions

All versions before 2.4.4, all versions starting from 2.5.0 before 2.5.2, all versions starting from 2.6.0 before 2.6.1

Fixed versions

  • 2.6.1
  • 2.5.2
  • 2.4.4

Solution

Upgrade to versions 2.4.4, 2.5.2, 2.6.1 or above.

Impact 7.8 HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-824: Access of Uninitialized Pointer

Source file

pypi/tensorflow/CVE-2021-41214.yml

Spotted a mistake? Edit the file on GitLab.

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