Vulnerability · Published Nov 5, 2021 · Assigned by GitHub_M

CVE-2021-41204Segfault while copying constant resource tensor

Medium 5.5

In plain English

A medium-severity security flaw in tensorflow from tensorflow. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.1%top 96.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

TensorFlow is an open source platform for machine learning. In affected versions during TensorFlow's Grappler optimizer phase, constant folding might attempt to deep copy a resource tensor. This results in a segfault, as these tensors are supposed to not change. 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
PyPItensorflow2.4.4, 2.5.2, 2.6.1, 2.7.0PYSEC-2021-397
PyPItensorflow2.6.1GHSA-786j-5qwq-r36x
PyPItensorflow2.5.2GHSA-786j-5qwq-r36x
PyPItensorflow2.4.4GHSA-786j-5qwq-r36x
PyPItensorflow-cpu2.5.2GHSA-786j-5qwq-r36x
PyPItensorflow-cpu2.4.4, 2.5.2, 2.6.1, 2.7.0PYSEC-2021-614
PyPItensorflow-cpu2.6.1GHSA-786j-5qwq-r36x
PyPItensorflow-cpu2.4.4GHSA-786j-5qwq-r36x
PyPItensorflow-gpu2.4.4, 2.5.2, 2.6.1, 2.7.0PYSEC-2021-812
PyPItensorflow-gpu2.6.1GHSA-786j-5qwq-r36x
PyPItensorflow-gpu2.5.2GHSA-786j-5qwq-r36x
PyPItensorflow-gpu2.4.4GHSA-786j-5qwq-r36x

Affected products (as reported)

VendorProductVersions
tensorflow tensorflow >= 2.6.0, < 2.6.1>= 2.5.0, < 2.5.1< 2.4.4

Weakness: CWE-824 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References