CVE-2026-31486

A flaw was found in the Linux kernel's hwmon subsystem, specifically within the pmbus/core module. The regulator operations, which manage power management bus PMBus registers and shared data, were not adequately protected by a mutex a mechanism to prevent simultaneous access to shared resources...

The vulnerability of the PMBus interface of the VRM Voltage Regulator Module in Supermicro BMC controllers allows a hacker to physically destroy the CPU without the ability to restore it later.

The vulnerability of the PMBus interface of the VRM Voltage Regulator Module in Supermicro BMC controllers is related to the improper assignment of permissions for the critical resource. Exploiting this vulnerability may allow an attacker to physically disable the CPU without the possibility of...

PT-2023-2915 · Supermicro · Supermicro X11Sse-F

Name of the Vulnerable Software and Affected Versions: Supermicro X11SSL-CF HW Rev 1.01, BMC firmware version 1.63 Description: The issue is related to the PMBus interface of the VRM module in Supermicro BMC controllers, where there is an incorrect assignment of permissions for a critical resourc...