CVE-2025-0373 Buffer overflow in some filesystems via NFS

On 64-bit systems, the implementation of VOPVPTOFH in the cd9660, tarfs and ext2fs filesystems overflows the destination FID buffer by 4 bytes, a stack buffer overflow. A NFS server that exports a cd9660, tarfs, or ext2fs file system can be made to panic by mounting and accessing the export with ...