NULL pointer dereference in TensorFlow - CVE-2021-37643
Published: August 12, 2021 / Updated: May 4, 2026
Vulnerability identifier: #VU129262
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-37643
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
TensorFlow
TensorFlow
Software vendor:
TensorFlow
TensorFlow
Description
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to a null pointer dereference in MatrixDiagPartOp when processing an invalid padding_value tensor. A local user can provide an empty padding_value input to cause a denial of service.
All versions of the operation are affected, including MatrixDiagPartV2.
Remediation
Install security update from vendor's website.