Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.15.47

Description The issue is related to a possible null pointer dereference in the arm smmu device probe() function. The actual impact and attack plausibility have not yet been proven.

Recommendations For Linux Kernel versions prior to v5.15.47, update to version v5.15.47 or later to resolve the issue. As a temporary workaround, consider restricting access to the arm smmu device probe() function until a patch is available.