CVE-2022-21731 Common Vulnerabilities and Exposures

Upstream information

CVE-2022-21731 at MITRE

Description

Tensorflow is an Open Source Machine Learning Framework. The implementation of shape inference for `ConcatV2` can be used to trigger a denial of service attack via a segfault caused by a type confusion. The `axis` argument is translated into `concat_dim` in the `ConcatShapeHelper` helper function. Then, a value for `min_rank` is computed based on `concat_dim`. This is then used to validate that the `values` tensor has at least the required rank. However, `WithRankAtLeast` receives the lower bound as a 64-bits value and then compares it against the maximum 32-bits integer value that could be represented. Due to the fact that `min_rank` is a 32-bits value and the value of `axis`, the `rank` argument is a negative value, so the error check is bypassed. The fix will be included in TensorFlow 2.8.0. We will also cherrypick this commit on TensorFlow 2.7.1, TensorFlow 2.6.3, and TensorFlow 2.5.3, as these are also affected and still in supported range.

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having critical severity.

CVSS v2 Scores
	National Vulnerability Database
Base Score	4
Vector	AV:N/AC:L/Au:S/C:N/I:N/A:P
Access Vector	Network
Access Complexity	Low
Authentication	Single
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	Partial

CVSS v3 Scores
	National Vulnerability Database
Base Score	6.5
Vector	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	High
CVSSv3 Version	3.1

SUSE Bugzilla entry: 1195545 [IN_PROGRESS]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s)	Fixed package version(s)	References
openSUSE Tumbleweed	`tensorflow-lite >= 2.9.1-1.1` `tensorflow-lite-devel >= 2.9.1-1.1`	Patchnames: openSUSE-Tumbleweed-2024-12116

SUSE Timeline for this CVE

CVE page created: Fri Feb 4 10:30:25 2022
CVE page last modified: Tue Sep 3 19:24:58 2024