Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.4.125

Description The issue is related to a potential security vulnerability in the Linux Kernel, specifically with hugetlb. It concerns a simple resv huge pages underflow on UFFDIO COPY. The actual impact and attack plausibility have not yet been proven.

Recommendations For Linux Kernel versions prior to v5.4.125, update to version v5.4.125 or later to resolve the issue.