CVE-2021-37643: Null pointer dereference in `MatrixDiagPartOp`
7.7
CVSS Score
3.1
Basic Information
CVE ID
GHSA ID
EPSS Score
0.00648%
CWE
Published
8/25/2021
Updated
11/13/2024
KEV Status
No
Technology
Python
Technical Details
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
---|---|---|---|
tensorflow | pip | < 2.3.4 | 2.3.4 |
tensorflow | pip | >= 2.4.0, < 2.4.3 | 2.4.3 |
tensorflow | pip | = 2.5.0 | 2.5.1 |
tensorflow-cpu | pip | < 2.3.4 | 2.3.4 |
tensorflow-cpu | pip | >= 2.4.0, < 2.4.3 | 2.4.3 |
tensorflow-cpu | pip | = 2.5.0 | 2.5.1 |
tensorflow-gpu | pip | < 2.3.4 | 2.3.4 |
tensorflow-gpu | pip | >= 2.4.0, < 2.4.3 | 2.4.3 |
tensorflow-gpu | pip | = 2.5.0 | 2.5.1 |
Vulnerability Intelligence
Miggo AI
Root Cause Analysis
The vulnerability stems from the unvalidated access to the padding_value tensor's first element in MatrixDiagPartOp's implementation. The patch adds a check (OP_REQUIRES) to ensure the padding_value is a scalar (exactly 1 element), confirming the root cause was missing validation before accessing the tensor buffer. The affected code path is clearly in the Compute method of MatrixDiagPartOp as shown in the provided diff and CVE details.