7.8
CVSSv3

CVE-2021-41220

Published: 05/11/2021 Updated: 10/11/2021
CVSS v2 Base Score: 4.6 | Impact Score: 6.4 | Exploitability Score: 3.9
CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8
VMScore: 409
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P

Vulnerability Summary

TensorFlow is an open source platform for machine learning. In affected versions the async implementation of `CollectiveReduceV2` suffers from a memory leak and a use after free. This occurs due to the asynchronous computation and the fact that objects that have been `std::move()`d from are still accessed. The fix will be included in TensorFlow 2.7.0. We will also cherrypick this commit on TensorFlow 2.6.1, as this version is the only one that is also affected.

Vulnerability Trend

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google tensorflow

google tensorflow 2.7.0

Vendor Advisories

In TensorFlow before version 261, the async implementation of CollectiveReduceV2 suffers from a memory leak and a use after free This occurs due to the asynchronous computation and the fact that objects that have been std::move()d from are still accessed ...