CVE-2023-7152CWE-416

MicroPython modselect.c poll_set_add_fd use after free

Medium · published December 29, 2023

CVSS v3.1
5.5
EPSS
1%
Percentile
59.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00892 · 59.0th percentile
Weakness
CWE-416 · Use After Free
Published
2023-12-29T04:31Z
EPSS history
Timeline
  • 29 DEC 04:31Z
    MicroPython modselect.c poll_set_add_fd use after free
    cvelistv5