{"id":"CVE-2021-47233","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nregulator: rt4801: Fix NULL pointer dereference if priv-\u003eenable_gpios is NULL\n\ndevm_gpiod_get_array_optional may return NULL if no GPIO was assigned.","modified":"2026-03-15T14:09:20.514549Z","published":"2024-05-21T15:15:12.630Z","references":[{"type":"FIX","url":"https://git.kernel.org/stable/c/ba8a26a7ce8617f9f3d6230de34b2302df086b41"},{"type":"FIX","url":"https://git.kernel.org/stable/c/cb2381cbecb81a8893b2d1e1af29bc2e5531df27"},{"type":"FIX","url":"https://git.kernel.org/stable/c/dc68f0c9e4a001e02376fe87f4bdcacadb27e8a1"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47233.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"5.10.46"}]},{"events":[{"introduced":"5.11"},{"fixed":"5.12.13"}]},{"events":[{"introduced":"0"},{"last_affected":"5.13-rc1"}]},{"events":[{"introduced":"0"},{"last_affected":"5.13-rc2"}]},{"events":[{"introduced":"0"},{"last_affected":"5.13-rc3"}]},{"events":[{"introduced":"0"},{"last_affected":"5.13-rc4"}]},{"events":[{"introduced":"0"},{"last_affected":"5.13-rc5"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}