CVE-2022-23563 - CVE House
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Status published High CVE-2022-23563

Insecure temporary file in Tensorflow

Vulnerability Description

Tensorflow is an Open Source Machine Learning Framework. In multiple places, TensorFlow uses `tempfile.mktemp` to create temporary files. While this is acceptable in testing, in utilities and libraries it is dangerous as a different process can create the file between the check for the filename in `mktemp` and the actual creation of the file by a subsequent operation (a TOC/TOU type of weakness). In several instances, TensorFlow was supposed to actually create a temporary directory instead of a file. This logic bug is hidden away by the `mktemp` function usage. We have patched the issue in several commits, replacing `mktemp` with the safer `mkstemp`/`mkdtemp` functions, according to the usage pattern. Users are advised to upgrade as soon as possible.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

tensorflow
Vulnerable Versions:
>= 2.7.0, < 2.7.1, >= 2.6.0, < 2.6.3, < 2.5.3

Timeline

Official Publish: February 4th, 2022
Last Modified: April 23rd, 2025
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Weaknesses (CWE)

CWE-367

MITRE ATT&CK TTPs

T1574 Hijack Execution Flow
Privilege Escalation
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1036 Masquerading
Defense Evasion
T1485 Data Destruction
Impact
T1005 Data from Local System
Collection