Name of the Vulnerable Software and Affected Versions drbd versions prior to v5.16.20

Description The issue concerns use after free bugs in the get initial state function. It was introduced in version v4.5 and fixed in Linux Kernel version v5.16.20. The actual impact and attack plausibility have not yet been proven.

Recommendations For versions prior to v5.16.20, update to Linux Kernel version v5.16.20 or later to resolve the issue. As a temporary workaround, consider restricting access to the get initial state function until a patch is available.