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. https://github.com/jimmo/micropython/commit/8b24aa36ba978eafc6114b6798b47b7bfecdca26 https://github.com/micropython/micropython/issues/12887 https://vuldb.com/?ctiid.249158 https://vuldb.com/?id.249158
Created micropython tracking bugs for this issue: Affects: fedora-all [bug 2256178]
FEDORA-2024-34aa24af35 (micropython-1.22.2-1.fc39) has been pushed to the Fedora 39 stable repository. If problem still persists, please make note of it in this bug report.
FEDORA-2024-51e55a7065 (micropython-1.22.2-1.fc38) has been pushed to the Fedora 38 stable repository. If problem still persists, please make note of it in this bug report.