CVE-2021-41212

Description

TensorFlow is an open source platform for machine learning. In affected versions the shape inference code for `tf.ragged.cross` can trigger a read outside of bounds of heap allocated array. 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.

How to fix CVE-2021-41212

To remediate CVE-2021-41212, upgrade the affected package to a fixed version below.

• —upgrade to 2.4.4 or later
• —upgrade to 2.6.1 or later
• —upgrade to fa6b7782fbb14aa08d767bc799c531f5e1fb3bb8 or later
• —upgrade to fa6b7782fbb14aa08d767bc799c531f5e1fb3bb8 or later
• —upgrade to 2.6.1 or later
• —upgrade to fa6b7782fbb14aa08d767bc799c531f5e1fb3bb8 or later
• —upgrade to 2.6.1 or later

Is CVE-2021-41212 being exploited?

Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.

Affected packages (7)

• from 0, < 2.4.4, >= 2.5.0, < 2.5.2, >= 2.6.0, < 2.6.1
• >= 2.6.0, < 2.6.1
• from 0, < fa6b7782fbb14aa08d767bc799c531f5e1fb3bb8 | from 0, < 2.4.4, >= 2.5.0, < 2.5.2, >= 2.6.0, < 2.6.1, >= 2.7.0rc0, < 2.7.0
• from 0, < fa6b7782fbb14aa08d767bc799c531f5e1fb3bb8 | from 0, < 2.4.4, >= 2.5.0, < 2.5.2, >= 2.6.0, < 2.6.1, >= 2.7.0rc0, < 2.7.0
• >= 2.6.0, < 2.6.1
• from 0, < fa6b7782fbb14aa08d767bc799c531f5e1fb3bb8 | from 0, < 2.4.4, >= 2.5.0, < 2.5.2, >= 2.6.0, < 2.6.1, >= 2.7.0rc0, < 2.7.0
• >= 2.6.0, < 2.6.1

CVSS scores

References (7)

• ADVISORYnvd.nist.gov/vuln/detail/CVE-2021-41212
• PATCHgithub.com/tensorflow/tensorflow
• WEBgithub.com/pypa/advisory-database/tree/main/vulns/tensorflow-cpu/PYSEC-2021-621.yaml
• WEBgithub.com/pypa/advisory-database/tree/main/vulns/tensorflow-gpu/PYSEC-2021-819.yaml