CVE-2021-41227 MEDIUM

CVE-2021-41227: Arbitrary memory read in `ImmutableConst`

Vendor Tensorflow
Product tensorflow
Weakness CWE-125
Published November 5, 2021
Last update August 4, 2024

CVSS base score

6.6/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity Low

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L

What the vulnerability does

01Description

TensorFlow is an open source platform for machine learning. In affected versions the `ImmutableConst` operation in TensorFlow can be tricked into reading arbitrary memory contents. This is because the `tstring` TensorFlow string class has a special case for memory mapped strings but the operation itself does not offer any support for this datatype. 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.

Key dates

02Disclosure timeline

November 5, 2021 CVE published
August 4, 2024 Record updated