CVE-2021-47456

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The issue is related to a use-after-free (UAF) vulnerability in the Linux kernel, specifically in the peak pci remove() function. When the peek pci module is removed, referencing the chan variable again after releasing the dev variable can cause a UAF. The vulnerability is fixed by releasing the dev variable later. Technical details about the exploitation include the peak pci remove() function and the chan and dev variables.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.