CVE-2025-21721 | Linux Kernel up to 6.12.12/6.13.1 nilfs2 nilfs_prepare_chunk buffer overflow
A vulnerability was found in Linux Kernel up to 6.12.12/6.13.1 and classified as critical. Affected by this issue is the function nilfs_prepare_chunk of the component nilfs2. The manipulation leads to buffer overflow.
This vulnerability is handled as CVE-2025-21721. The attack needs to be approached within the local network. There is no exploit available.
It is recommended to upgrade the affected component.