CVE-2023-7152

Medium

Description

A vulnerability, which was classified as critical, has been found in MicroPython 1.21.0/1.22.0-preview. Affected by this issue is the function poll_set_add_fd of the file extmod/modselect.c. The manipulation leads to use after free. The exploit has been disclosed to the public and may be used. The patch is identified as 8b24aa36ba978eafc6114b6798b47b7bfecdca26. It is recommended to apply a patch to fix this issue. VDB-249158 is the identifier assigned to this vulnerability.

SeverityMedium
CVSS5.5
Exploit probability—
ProductMicropython
PublishedDec 29, 2023
First seenDec 29, 2023

How to fix

Affected products

ProductAffected versionsFixed in
micropython micropython1.21.0, 1.22.0—
micropython-copyPyPINo range specified—
micropython-ioPyPINo range specified—
micropython-osPyPINo range specified—
micropython-selectPyPINo range specified—

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