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CVE-2021-41227

CVE-2021-41227 · Arbitrary memory read in `ImmutableConst`

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

TensorFlow is an open source platform for machine learning. In affected versions the `ImmutableConst` operation in TensorFlow can be tricked into reading arbitrary memory contents. This is because the `tstring` TensorFlow string class has a special case for memory mapped strings but the operation itself does not offer any support for this datatype. The fix will be included in TensorFlow 2.7.0. We will also cherrypick this commit on TensorFlow 2.6.1, TensorFlow 2.5.2, and TensorFlow 2.4.4, as these are also affected and still in supported range.

CVSS 6.6 · Medium · EPSS 0.2% · Fix available

Published
Updated

Stack: python

Affected products and versions

  • tensorflow

    Versions
    • >= 2.6.0, < 2.6.1: Affected
    • >= 2.5.0, < 2.5.2: Affected
    • < 2.4.4: Affected

    No fix published

  • tensorflow PyPI

    Versions
    • 2.6.0
    Affected ranges
    • ECOSYSTEM: ≥ 2.6.0, < 2.6.1

    Update to 2.6.1

  • tensorflow PyPI

    Versions
    • 2.5.0
    • 2.5.1
    Affected ranges
    • ECOSYSTEM: ≥ 2.5.0, < 2.5.2

    Update to 2.5.2

  • 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
    • 2.1.4
    • 2.2.0
    • 2.2.1
    • 2.2.2
    • 2.2.3
    • 2.3.0
    • 2.3.1
    • 2.3.2
    • 2.3.3
    • 2.3.4
    • 2.4.0
    • 2.4.1
    • 2.4.2
    • 2.4.3
    Affected ranges
    • ECOSYSTEM: < 2.4.4

    Update to 2.4.4

  • tensorflow-cpu PyPI

    Versions
    • 2.6.0
    Affected ranges
    • ECOSYSTEM: ≥ 2.6.0, < 2.6.1

    Update to 2.6.1

  • tensorflow-cpu PyPI

    Versions
    • 2.5.0
    • 2.5.1
    Affected ranges
    • ECOSYSTEM: ≥ 2.5.0, < 2.5.2

    Update to 2.5.2

  • tensorflow-cpu PyPI

    Versions
    • 1.15.0
    • 2.1.0
    • 2.1.1
    • 2.1.2
    • 2.1.3
    • 2.1.4
    • 2.2.0
    • 2.2.1
    • 2.2.2
    • 2.2.3
    • 2.3.0
    • 2.3.1
    • 2.3.2
    • 2.3.3
    • 2.3.4
    • 2.4.0
    • 2.4.1
    • 2.4.2
    • 2.4.3
    Affected ranges
    • ECOSYSTEM: < 2.4.4

    Update to 2.4.4

  • tensorflow-gpu PyPI

    Versions
    • 2.6.0
    Affected ranges
    • ECOSYSTEM: ≥ 2.6.0, < 2.6.1

    Update to 2.6.1

  • tensorflow-gpu PyPI

    Versions
    • 2.5.0
    • 2.5.1
    Affected ranges
    • ECOSYSTEM: ≥ 2.5.0, < 2.5.2

    Update to 2.5.2

  • 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
    • 2.1.4
    • 2.2.0
    • 2.2.1
    • 2.2.2
    • 2.2.3
    • 2.3.0
    • 2.3.1
    • 2.3.2
    • 2.3.3
    • 2.3.4
    • 2.4.0
    • 2.4.1
    • 2.4.2
    • 2.4.3
    Affected ranges
    • ECOSYSTEM: < 2.4.4

    Update to 2.4.4

  • 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
    • 2.1.4
    • 2.2.0
    • 2.2.0rc0
    • 2.2.0rc1
    • 2.2.0rc2
    • 2.2.0rc3
    • 2.2.0rc4
    • 2.2.1
    • 2.2.2
    • 2.2.3
    • 2.3.0
    • 2.3.0rc0
    • 2.3.0rc1
    • 2.3.0rc2
    • 2.3.1
    • 2.3.2
    • 2.3.3
    • 2.3.4
    • 2.4.0
    • 2.4.0rc0
    • 2.4.0rc1
    • 2.4.0rc2
    • 2.4.0rc3
    • 2.4.0rc4
    • 2.4.1
    • 2.4.2
    • 2.4.3
    • 2.5.0
    • 2.5.1
    • 2.6.0
    • 2.7.0rc0
    • 2.7.0rc1
    Affected ranges
    • {"events": [{"introduced": "0"}, {"fixed": "3712a2d3455e6ccb924daa5724a3652a86f6b585"}, {"fixed": "1cb6bb6c2a6019417c9adaf9e6843ba75ee2580b"}], "repo": "https://github.com/tensorflow/tensorflow", "type": "GIT"}
    • ECOSYSTEM: < 2.4.4 ∪ ≥ 2.5.0, < 2.5.2 ∪ ≥ 2.6.0, < 2.6.1 ∪ ≥ 2.7.0rc0, < 2.7.0

    Update to 2.4.4; Update to 2.5.2; Update to 2.6.1; Update to 2.7.0

  • tensorflow-cpu PyPI

    Versions
    • 1.15.0
    • 2.1.0
    • 2.1.1
    • 2.1.2
    • 2.1.3
    • 2.1.4
    • 2.2.0
    • 2.2.1
    • 2.2.2
    • 2.2.3
    • 2.3.0
    • 2.3.1
    • 2.3.2
    • 2.3.3
    • 2.3.4
    • 2.4.0
    • 2.4.1
    • 2.4.2
    • 2.4.3
    • 2.5.0
    • 2.5.1
    • 2.6.0
    • 2.7.0rc0
    • 2.7.0rc1
    Affected ranges
    • {"events": [{"introduced": "0"}, {"fixed": "3712a2d3455e6ccb924daa5724a3652a86f6b585"}, {"fixed": "1cb6bb6c2a6019417c9adaf9e6843ba75ee2580b"}], "repo": "https://github.com/tensorflow/tensorflow", "type": "GIT"}
    • ECOSYSTEM: < 2.4.4 ∪ ≥ 2.5.0, < 2.5.2 ∪ ≥ 2.6.0, < 2.6.1 ∪ ≥ 2.7.0rc0, < 2.7.0

    Update to 2.4.4; Update to 2.5.2; Update to 2.6.1; Update to 2.7.0

  • 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
    • 2.1.4
    • 2.2.0
    • 2.2.1
    • 2.2.2
    • 2.2.3
    • 2.3.0
    • 2.3.1
    • 2.3.2
    • 2.3.3
    • 2.3.4
    • 2.4.0
    • 2.4.1
    • 2.4.2
    • 2.4.3
    • 2.5.0
    • 2.5.1
    • 2.6.0
    • 2.7.0rc0
    • 2.7.0rc1
    Affected ranges
    • {"events": [{"introduced": "0"}, {"fixed": "3712a2d3455e6ccb924daa5724a3652a86f6b585"}, {"fixed": "1cb6bb6c2a6019417c9adaf9e6843ba75ee2580b"}], "repo": "https://github.com/tensorflow/tensorflow", "type": "GIT"}
    • ECOSYSTEM: < 2.4.4 ∪ ≥ 2.5.0, < 2.5.2 ∪ ≥ 2.6.0, < 2.6.1 ∪ ≥ 2.7.0rc0, < 2.7.0

    Update to 2.4.4; Update to 2.5.2; Update to 2.6.1; Update to 2.7.0

Original sources

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