Unrated severityNVD Advisory· Published Dec 29, 2023· Updated Feb 13, 2025
MicroPython modselect.c poll_set_add_fd use after free
CVE-2023-7152
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.
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Affected products
2(expand)+ 1 more
- (no CPE)
- (no CPE)range: 1.21.0 and 1.22.0-preview
Patches
Vulnerability mechanics
References
7- github.com/jimmo/micropython/commit/8b24aa36ba978eafc6114b6798b47b7bfecdca26mitrepatch
- github.com/micropython/micropython/issues/12887mitreexploitissue-tracking
- vuldb.commitresignaturepermissions-required
- vuldb.commitrevdb-entrytechnical-description
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4E2HYWCZB5R4SHY4SZZZSFDMD64N4SOZ/mitre
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D3WWY5JY4RTJE25APB4REGDUDPATG6H7/mitre
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TEK46QAJOXXDZOWOIE2YACUOCZFWOBCK/mitre
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