kernel: stm class: Fix a double free in stm_register_device()

A vulnerability was found in the Linux kernel's stm class, where an improper memory management sequence in stmregisterdevice could lead to a double-free error. This issue occurs when the putdevice&stm-dev call triggers stmdevicerelease to free "stm", making the subsequent vfreestm call redundant...

DEBIAN-CVE-2024-38627

In the Linux kernel, the following vulnerability has been resolved: stm class: Fix a double free in stmregisterdevice The putdevice&stm-dev call will trigger stmdevicerelease which frees "stm" so the vfreestm on the next line is a double free...