A vulnerability was found in Linux Kernel up to 6.12.13/6.13.2. It has been rated as problematic. Affected by this issue is the function
isolate_freepages_block
of the component compaction. The manipulation leads to out-of-bounds read.
This vulnerability is handled as CVE-2025-21815. The attack can only be initiated within the local network. There is no exploit available.
It is recommended to upgrade the affected component.