A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 5.10.100/5.15.23/5.16.9. This issue affects the function __set_fixmap of the component fixmap. The manipulation leads to information disclosure.

The identification of this vulnerability is CVE-2021-47623. Access to the local network is required for this attack. There is no exploit available.

It is recommended to upgrade the affected component.