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CVE-2021-37660
August 12, 2021
TensorFlow is an end-to-end open source platform for machine learning. In affected versions an attacker can cause a floating point exception by calling inplace operations with crafted arguments that would result in a division by 0. The [implementation](https://github.com/tensorflow/tensorflow/blob/84d053187cb80d975ef2b9684d4b61981bca0c41/tensorflow/core/kernels/inplace_ops.cc#L283) has a logic error: it should skip processing if `x` and `v` are empty but the code uses `||` instead of `&&`. We have patched the issue in GitHub commit e86605c0a336c088b638da02135ea6f9f6753618. 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.
Affected Packages
tensorflow-cpu (PYTHON):
Affected version(s) =2.5.0 <2.5.1
Fix Suggestion:
Update to version 2.5.1
tensorflow-cpu (PYTHON):
Affected version(s) >=0.0.0 <2.3.4
Fix Suggestion:
Update to version 2.3.4
tensorflow (PYTHON):
Affected version(s) >=2.4.0 <2.4.3
Fix Suggestion:
Update to version 2.4.3
tensorflow-gpu (PYTHON):
Affected version(s) >=2.4.0 <2.4.3
Fix Suggestion:
Update to version 2.4.3
tensorflow (PYTHON):
Affected version(s) >=0.11.0rc2 <2.3.4
Fix Suggestion:
Update to version 2.3.4
tensorflow (PYTHON):
Affected version(s) =2.5.0 <2.5.1
Fix Suggestion:
Update to version 2.5.1
tensorflow-cpu (PYTHON):
Affected version(s) >=2.4.0 <2.4.3
Fix Suggestion:
Update to version 2.4.3
tensorflow-gpu (PYTHON):
Affected version(s) =2.5.0 <2.5.1
Fix Suggestion:
Update to version 2.5.1
tensorflow-gpu (PYTHON):
Affected version(s) >=0.12.0rc0 <2.3.4
Fix Suggestion:
Update to version 2.3.4
Additional Notes
The description of this vulnerability differs from MITRE.
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CVSS v4
Base Score:
6.8
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.5
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
CVSS v2
Base Score:
2.1
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Weakness Type (CWE)
Divide By Zero
EPSS
Base Score:
0.01