p PatchFirst

CVE-2021-29518

CVE-2021-29518 · Session operations in eager mode lead to null pointer dereferences

This page contains facts from public vulnerability sources. Check the original advisory before updating.

TensorFlow is an end-to-end open source platform for machine learning. In eager mode (default in TF 2.0 and later), session operations are invalid. However, users could still call the raw ops associated with them and trigger a null pointer dereference. The implementation(https://github.com/tensorflow/tensorflow/blob/eebb96c2830d48597d055d247c0e9aebaea94cd5/tensorflow/core/kernels/session_ops.cc#L104) dereferences the session state pointer without checking if it is valid. Thus, in eager mode, `ctx->session_state()` is nullptr and the call of the member function is undefined behavior. The fix will be included in TensorFlow 2.5.0. We will also cherrypick this commit on TensorFlow 2.4.2, TensorFlow 2.3.3, TensorFlow 2.2.3 and TensorFlow 2.1.4, as these are also affected and still in supported range.

CVSS 2.5 · Low · EPSS 0.2% · Fix available

Published
Updated

Stack: python

Affected products and versions

  • tensorflow

    Versions
    • < 2.1.4: Affected
    • >= 2.2.0, < 2.2.3: Affected
    • >= 2.3.0, < 2.3.3: Affected
    • >= 2.4.0, < 2.4.2: Affected

    No fix published

  • tensorflow PyPI

    Versions
    • 0.12.0
    • 0.12.1
    • 1.0.0
    • 1.0.1
    • 1.1.0
    • 1.10.0
    • 1.10.1
    • 1.11.0
    • 1.12.0
    • 1.12.2
    • 1.12.3
    • 1.13.1
    • 1.13.2
    • 1.14.0
    • 1.15.0
    • 1.15.2
    • 1.15.3
    • 1.15.4
    • 1.15.5
    • 1.2.0
    • 1.2.1
    • 1.3.0
    • 1.4.0
    • 1.4.1
    • 1.5.0
    • 1.5.1
    • 1.6.0
    • 1.7.0
    • 1.7.1
    • 1.8.0
    • 1.9.0
    • 2.0.0
    • 2.0.1
    • 2.0.2
    • 2.0.3
    • 2.0.4
    • 2.1.0
    • 2.1.1
    • 2.1.2
    • 2.1.3
    Affected ranges
    • ECOSYSTEM: < 2.1.4

    Update to 2.1.4

  • tensorflow PyPI

    Versions
    • 2.2.0
    • 2.2.1
    • 2.2.2
    Affected ranges
    • ECOSYSTEM: ≥ 2.2.0, < 2.2.3

    Update to 2.2.3

  • tensorflow PyPI

    Versions
    • 2.3.0
    • 2.3.1
    • 2.3.2
    Affected ranges
    • ECOSYSTEM: ≥ 2.3.0, < 2.3.3

    Update to 2.3.3

  • tensorflow PyPI

    Versions
    • 2.4.0
    • 2.4.1
    Affected ranges
    • ECOSYSTEM: ≥ 2.4.0, < 2.4.2

    Update to 2.4.2

  • tensorflow-cpu PyPI

    Versions
    • 1.15.0
    • 2.1.0
    • 2.1.1
    • 2.1.2
    • 2.1.3
    Affected ranges
    • ECOSYSTEM: < 2.1.4

    Update to 2.1.4

  • tensorflow-cpu PyPI

    Versions
    • 2.2.0
    • 2.2.1
    • 2.2.2
    Affected ranges
    • ECOSYSTEM: ≥ 2.2.0, < 2.2.3

    Update to 2.2.3

  • tensorflow-cpu PyPI

    Versions
    • 2.3.0
    • 2.3.1
    • 2.3.2
    Affected ranges
    • ECOSYSTEM: ≥ 2.3.0, < 2.3.3

    Update to 2.3.3

  • tensorflow-cpu PyPI

    Versions
    • 2.4.0
    • 2.4.1
    Affected ranges
    • ECOSYSTEM: ≥ 2.4.0, < 2.4.2

    Update to 2.4.2

  • tensorflow-gpu PyPI

    Versions
    • 0.12.0
    • 0.12.1
    • 1.0.0
    • 1.0.1
    • 1.1.0
    • 1.10.0
    • 1.10.1
    • 1.11.0
    • 1.12.0
    • 1.12.2
    • 1.12.3
    • 1.13.1
    • 1.13.2
    • 1.14.0
    • 1.15.0
    • 1.15.2
    • 1.15.3
    • 1.15.4
    • 1.15.5
    • 1.2.0
    • 1.2.1
    • 1.3.0
    • 1.4.0
    • 1.4.1
    • 1.5.0
    • 1.5.1
    • 1.6.0
    • 1.7.0
    • 1.7.1
    • 1.8.0
    • 1.9.0
    • 2.0.0
    • 2.0.1
    • 2.0.2
    • 2.0.3
    • 2.0.4
    • 2.1.0
    • 2.1.1
    • 2.1.2
    • 2.1.3
    Affected ranges
    • ECOSYSTEM: < 2.1.4

    Update to 2.1.4

  • tensorflow-gpu PyPI

    Versions
    • 2.2.0
    • 2.2.1
    • 2.2.2
    Affected ranges
    • ECOSYSTEM: ≥ 2.2.0, < 2.2.3

    Update to 2.2.3

  • tensorflow-gpu PyPI

    Versions
    • 2.3.0
    • 2.3.1
    • 2.3.2
    Affected ranges
    • ECOSYSTEM: ≥ 2.3.0, < 2.3.3

    Update to 2.3.3

  • tensorflow-gpu PyPI

    Versions
    • 2.4.0
    • 2.4.1
    Affected ranges
    • ECOSYSTEM: ≥ 2.4.0, < 2.4.2

    Update to 2.4.2

  • tensorflow PyPI

    Versions
    • 0.12.0
    • 0.12.0rc0
    • 0.12.0rc1
    • 0.12.1
    • 1.0.0
    • 1.0.1
    • 1.1.0
    • 1.1.0rc0
    • 1.1.0rc1
    • 1.1.0rc2
    • 1.10.0
    • 1.10.0rc0
    • 1.10.0rc1
    • 1.10.1
    • 1.11.0
    • 1.11.0rc0
    • 1.11.0rc1
    • 1.11.0rc2
    • 1.12.0
    • 1.12.0rc0
    • 1.12.0rc1
    • 1.12.0rc2
    • 1.12.2
    • 1.12.3
    • 1.13.0rc0
    • 1.13.0rc1
    • 1.13.0rc2
    • 1.13.1
    • 1.13.2
    • 1.14.0
    • 1.14.0rc0
    • 1.14.0rc1
    • 1.15.0
    • 1.15.0rc0
    • 1.15.0rc1
    • 1.15.0rc2
    • 1.15.0rc3
    • 1.15.2
    • 1.15.3
    • 1.15.4
    • 1.15.5
    • 1.2.0
    • 1.2.0rc0
    • 1.2.0rc1
    • 1.2.0rc2
    • 1.2.1
    • 1.3.0
    • 1.3.0rc0
    • 1.3.0rc1
    • 1.3.0rc2
    • 1.4.0
    • 1.4.0rc0
    • 1.4.0rc1
    • 1.4.1
    • 1.5.0
    • 1.5.0rc0
    • 1.5.0rc1
    • 1.5.1
    • 1.6.0
    • 1.6.0rc0
    • 1.6.0rc1
    • 1.7.0
    • 1.7.0rc0
    • 1.7.0rc1
    • 1.7.1
    • 1.8.0
    • 1.8.0rc0
    • 1.8.0rc1
    • 1.9.0
    • 1.9.0rc0
    • 1.9.0rc1
    • 1.9.0rc2
    • 2.0.0
    • 2.0.0a0
    • 2.0.0b0
    • 2.0.0b1
    • 2.0.0rc0
    • 2.0.0rc1
    • 2.0.0rc2
    • 2.0.1
    • 2.0.2
    • 2.0.3
    • 2.0.4
    • 2.1.0
    • 2.1.0rc0
    • 2.1.0rc1
    • 2.1.0rc2
    • 2.1.1
    • 2.1.2
    • 2.1.3
    • 2.2.0
    • 2.2.1
    • 2.2.2
    • 2.3.0
    • 2.3.1
    • 2.3.2
    • 2.4.0
    • 2.4.1
    Affected ranges
    • GIT: < ff70c47a396ef1e3cb73c90513da4f5cb71bebba
    • ECOSYSTEM: < 2.1.4 ∪ ≥ 2.2.0, < 2.2.3 ∪ ≥ 2.3.0, < 2.3.3 ∪ ≥ 2.4.0, < 2.4.2

    Update to 2.1.4; Update to 2.2.3; Update to 2.3.3; Update to 2.4.2

  • tensorflow-cpu PyPI

    Versions
    • 1.15.0
    • 2.1.0
    • 2.1.1
    • 2.1.2
    • 2.1.3
    • 2.2.0
    • 2.2.1
    • 2.2.2
    • 2.3.0
    • 2.3.1
    • 2.3.2
    • 2.4.0
    • 2.4.1
    Affected ranges
    • GIT: < ff70c47a396ef1e3cb73c90513da4f5cb71bebba
    • ECOSYSTEM: < 2.1.4 ∪ ≥ 2.2.0, < 2.2.3 ∪ ≥ 2.3.0, < 2.3.3 ∪ ≥ 2.4.0, < 2.4.2

    Update to 2.1.4; Update to 2.2.3; Update to 2.3.3; Update to 2.4.2

  • tensorflow-gpu PyPI

    Versions
    • 0.12.0
    • 0.12.1
    • 1.0.0
    • 1.0.1
    • 1.1.0
    • 1.10.0
    • 1.10.1
    • 1.11.0
    • 1.12.0
    • 1.12.2
    • 1.12.3
    • 1.13.1
    • 1.13.2
    • 1.14.0
    • 1.15.0
    • 1.15.2
    • 1.15.3
    • 1.15.4
    • 1.15.5
    • 1.2.0
    • 1.2.1
    • 1.3.0
    • 1.4.0
    • 1.4.1
    • 1.5.0
    • 1.5.1
    • 1.6.0
    • 1.7.0
    • 1.7.1
    • 1.8.0
    • 1.9.0
    • 2.0.0
    • 2.0.1
    • 2.0.2
    • 2.0.3
    • 2.0.4
    • 2.1.0
    • 2.1.1
    • 2.1.2
    • 2.1.3
    • 2.2.0
    • 2.2.1
    • 2.2.2
    • 2.3.0
    • 2.3.1
    • 2.3.2
    • 2.4.0
    • 2.4.1
    Affected ranges
    • GIT: < ff70c47a396ef1e3cb73c90513da4f5cb71bebba
    • ECOSYSTEM: < 2.1.4 ∪ ≥ 2.2.0, < 2.2.3 ∪ ≥ 2.3.0, < 2.3.3 ∪ ≥ 2.4.0, < 2.4.2

    Update to 2.1.4; Update to 2.2.3; Update to 2.3.3; Update to 2.4.2

Original sources

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