CVE-2023-53206: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: hwmon: (pmbus_core) Fix NULL pointer dereference Pass i2c_client to _pmbus_is_enabled to drop the assumption that a regulator device is passed in. This will fix the issue of a NULL pointer dereference when called from _pmbus_get_flags.

Affected products

• Linux Linux Kernel: from 6.4, before 6.4.8 (fixed in 6.4.8); version 6.5 only

Published 2025-09-15. Last modified 2026-06-17.