CVE-2026-63817

The CVE-2026-63817 issue pertains to the Linux kernel file system F2FS: when the compress_cache mount option is enabled, F2FS_COMPRESS_INO() uses NM_I(sbi)->max_nid as the synthetic inode for the compressed page cache inode. If compress_cache is disabled, max_nid lies outside the valid inode r...