CVE-2022-29200 — TensorFlow is an open source platform for machine learning

TensorFlow is an open source platform for machine learning. Prior to versions 2.9.0, 2.8.1, 2.7.2, and 2.6.4, the implementation of `tf.raw_ops.LSTMBlockCell` does not fully validate the input arguments. This results in a `CHECK`-failure which can be used to trigger a denial of s

01What is this vulnerability?

TensorFlow is an open source platform for machine learning. Prior to versions 2.9.0, 2.8.1, 2.7.2, and 2.6.4, the implementation of `tf.raw_ops.LSTMBlockCell` does not fully validate the input arguments. This results in a `CHECK`-failure which can be used to trigger a denial of service attack. The code does not validate the ranks of any of the arguments to this API call. This results in…

02Affected products

Vendor	Product	Versions
tensorflow	tensorflow	< 2.6.4, >= 2.7.0rc0, < 2.7.2, >= 2.8.0rc0, < 2.8.1, >= 2.9.0rc0, < 2.9.0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2022-05-20T21:30:14.000Z
• Last modified: 2025-04-22T17:59:47.129Z

09References

• github.com — https://github.com/tensorflow/tensorflow/releases/tag/v2.6.4
• github.com — https://github.com/tensorflow/tensorflow/releases/tag/v2.7.2
• github.com — https://github.com/tensorflow/tensorflow/releases/tag/v2.8.1
• github.com — https://github.com/tensorflow/tensorflow/releases/tag/v2.9.0
• github.com — https://github.com/tensorflow/tensorflow/security/advisories/GHSA-2vv3-56qg-g2cf
• github.com — https://github.com/tensorflow/tensorflow/commit/803404044ae7a1efac48ba82d74111fc…
• github.com — https://github.com/tensorflow/tensorflow/blob/f3b9bf4c3c0597563b289c0512e98d4ce8…