Home/CVE/TensorFlow is an open source platform for machine learning. In affected versions the implementation of `FusedBatchNorm`
CVE

CVE-2021-41223

TensorFlow is an open source platform for machine learning. In affected versions the implementation of `FusedBatchNorm`

TensorFlow is an open source platform for machine learning. In affected versions the implementation of FusedBatchNorm kernels is vulnerable to a heap OOB access. 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.

HIGH · CVSS 7.1 EPSS 0.00019
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-125Out-of-bounds Read
CWE-125Out-of-bounds Read
▤

Affected Products & Versions

3
google tensorflow< 2.4.4
google tensorflow>= 2.5.0 and < 2.5.2
google tensorflow>= 2.6.0 and < 2.6.1
▤

Affected Packages

3
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
PyPI tensorflow MODERATE fixed in 2.6.1
PyPI tensorflow-cpu MODERATE fixed in 2.6.1
PyPI tensorflow-gpu MODERATE fixed in 2.6.1
⚠

Public Exploits & PoCs

1
pocgithub.com · GHSA-f54p-f6jp-4rhrgithub.com
▣

Scoring & Timeline

7.1
HIGH · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 Nov 2021 · 09:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
⚑

Vendor Advisories

1
suse-csafopenSUSE-SU-2024:12116-1
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/tensorflow/tensorflow/commit/aab9998916c2ffbd8f0592059fad352622f89cdaPatchThird Party Advisory
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