Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.15.5

Description: The issue is related to a NULL dereference in the set hv tscchange cb() function if Hyper-V setup fails. The actual impact and attack plausibility have not yet been proven.

Recommendations: For Linux Kernel versions prior to v5.15.5, update to version v5.15.5 or later to resolve the issue. As a temporary workaround, consider disabling the Hyper-V setup until a patch is available.