A vulnerability has been found in Linux Kernel up to 6.1.126/6.6.73/6.12.10 and classified as problematic. This vulnerability affects the function zram_meta_alloc. The manipulation leads to uninitialized pointer.

This vulnerability was named CVE-2025-21671. Access to the local network is required for this attack. There is no exploit available.

It is recommended to upgrade the affected component.