CVE-2021-47233: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: regulator: rt4801: Fix NULL pointer dereference if priv->enable_gpios is NULL devm_gpiod_get_array_optional may return NULL if no GPIO was assigned.

Affected products

  • Linux Linux Kernel: before 5.10.46 (fixed in 5.10.46); from 5.11, before 5.12.13 (fixed in 5.12.13); version 5.13 only

Published 2024-05-21. Last modified 2026-06-17.